Home / 27,730.13-41,580.59-13,689.59

Finding the Fourth Proportional to 27,730.13, 41,580.59 and 13,689.59

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Solution

The fourth proportional to 27,730.13, 41,580.59 and 13,689.59 is: 20,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.13 : 41,580.59 = 13,689.59 : x
  2. Step 2: Convert to fraction form
    27,730.13/41,580.59 = 13,689.59/x
  3. Step 3: Cross multiply
    27,730.13x = 41,580.59 × 13,689.59
  4. Step 4: Simplify right side
    27,730.13x = 569,220,952.71
  5. Step 5: Solve for x
    x = 569,220,952.71/27,730.13
  6. Step 6: Final answer
    x = 20,527.17

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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.