Home / 27,543.91-37,996.61-17,989.40

Finding the Fourth Proportional to 27,543.91, 37,996.61 and 17,989.40

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Solution

The fourth proportional to 27,543.91, 37,996.61 and 17,989.40 is: 24,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.91 : 37,996.61 = 17,989.40 : x
  2. Step 2: Convert to fraction form
    27,543.91/37,996.61 = 17,989.40/x
  3. Step 3: Cross multiply
    27,543.91x = 37,996.61 × 17,989.40
  4. Step 4: Simplify right side
    27,543.91x = 683,535,979.11
  5. Step 5: Solve for x
    x = 683,535,979.11/27,543.91
  6. Step 6: Final answer
    x = 24,816.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.