Home / 27,561.28-38,033.04-14,985.92

Finding the Fourth Proportional to 27,561.28, 38,033.04 and 14,985.92

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Solution

The fourth proportional to 27,561.28, 38,033.04 and 14,985.92 is: 20,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.28 : 38,033.04 = 14,985.92 : x
  2. Step 2: Convert to fraction form
    27,561.28/38,033.04 = 14,985.92/x
  3. Step 3: Cross multiply
    27,561.28x = 38,033.04 × 14,985.92
  4. Step 4: Simplify right side
    27,561.28x = 569,960,094.80
  5. Step 5: Solve for x
    x = 569,960,094.80/27,561.28
  6. Step 6: Final answer
    x = 20,679.74

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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.