Home / 27,337.60-37,711.92-18,386.08

Finding the Fourth Proportional to 27,337.60, 37,711.92 and 18,386.08

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Solution

The fourth proportional to 27,337.60, 37,711.92 and 18,386.08 is: 25,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.60 : 37,711.92 = 18,386.08 : x
  2. Step 2: Convert to fraction form
    27,337.60/37,711.92 = 18,386.08/x
  3. Step 3: Cross multiply
    27,337.60x = 37,711.92 × 18,386.08
  4. Step 4: Simplify right side
    27,337.60x = 693,374,378.07
  5. Step 5: Solve for x
    x = 693,374,378.07/27,337.60
  6. Step 6: Final answer
    x = 25,363.40

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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.