Home / 14,358.30-21,537.45-14,261.10

Finding the Fourth Proportional to 14,358.30, 21,537.45 and 14,261.10

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Solution

The fourth proportional to 14,358.30, 21,537.45 and 14,261.10 is: 21,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.30 : 21,537.45 = 14,261.10 : x
  2. Step 2: Convert to fraction form
    14,358.30/21,537.45 = 14,261.10/x
  3. Step 3: Cross multiply
    14,358.30x = 21,537.45 × 14,261.10
  4. Step 4: Simplify right side
    14,358.30x = 307,147,728.20
  5. Step 5: Solve for x
    x = 307,147,728.20/14,358.30
  6. Step 6: Final answer
    x = 21,391.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.