Home / 15,700.16-23,663.14-13,535.03

Finding the Fourth Proportional to 15,700.16, 23,663.14 and 13,535.03

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Solution

The fourth proportional to 15,700.16, 23,663.14 and 13,535.03 is: 20,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.16 : 23,663.14 = 13,535.03 : x
  2. Step 2: Convert to fraction form
    15,700.16/23,663.14 = 13,535.03/x
  3. Step 3: Cross multiply
    15,700.16x = 23,663.14 × 13,535.03
  4. Step 4: Simplify right side
    15,700.16x = 320,281,309.79
  5. Step 5: Solve for x
    x = 320,281,309.79/15,700.16
  6. Step 6: Final answer
    x = 20,399.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.