Home / 35,711.40-53,528.70-13,516.20

Finding the Fourth Proportional to 35,711.40, 53,528.70 and 13,516.20

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Solution

The fourth proportional to 35,711.40, 53,528.70 and 13,516.20 is: 20,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.40 : 53,528.70 = 13,516.20 : x
  2. Step 2: Convert to fraction form
    35,711.40/53,528.70 = 13,516.20/x
  3. Step 3: Cross multiply
    35,711.40x = 53,528.70 × 13,516.20
  4. Step 4: Simplify right side
    35,711.40x = 723,504,614.94
  5. Step 5: Solve for x
    x = 723,504,614.94/35,711.40
  6. Step 6: Final answer
    x = 20,259.77

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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.