Home / 18,130.23-27,203.14-9,816.19

Finding the Fourth Proportional to 18,130.23, 27,203.14 and 9,816.19

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Solution

The fourth proportional to 18,130.23, 27,203.14 and 9,816.19 is: 14,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.23 : 27,203.14 = 9,816.19 : x
  2. Step 2: Convert to fraction form
    18,130.23/27,203.14 = 9,816.19/x
  3. Step 3: Cross multiply
    18,130.23x = 27,203.14 × 9,816.19
  4. Step 4: Simplify right side
    18,130.23x = 267,031,135.10
  5. Step 5: Solve for x
    x = 267,031,135.10/18,130.23
  6. Step 6: Final answer
    x = 14,728.50

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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.