Home / 27,558.80-38,031.24-14,983.52

Finding the Fourth Proportional to 27,558.80, 38,031.24 and 14,983.52

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Solution

The fourth proportional to 27,558.80, 38,031.24 and 14,983.52 is: 20,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.80 : 38,031.24 = 14,983.52 : x
  2. Step 2: Convert to fraction form
    27,558.80/38,031.24 = 14,983.52/x
  3. Step 3: Cross multiply
    27,558.80x = 38,031.24 × 14,983.52
  4. Step 4: Simplify right side
    27,558.80x = 569,841,845.16
  5. Step 5: Solve for x
    x = 569,841,845.16/27,558.80
  6. Step 6: Final answer
    x = 20,677.31

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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.