Home / 14,905.80-22,358.70-9,000.90

Finding the Fourth Proportional to 14,905.80, 22,358.70 and 9,000.90

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Solution

The fourth proportional to 14,905.80, 22,358.70 and 9,000.90 is: 13,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.80 : 22,358.70 = 9,000.90 : x
  2. Step 2: Convert to fraction form
    14,905.80/22,358.70 = 9,000.90/x
  3. Step 3: Cross multiply
    14,905.80x = 22,358.70 × 9,000.90
  4. Step 4: Simplify right side
    14,905.80x = 201,248,422.83
  5. Step 5: Solve for x
    x = 201,248,422.83/14,905.80
  6. Step 6: Final answer
    x = 13,501.35

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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.