Home / 27,549.76-38,018.80-14,974.50

Finding the Fourth Proportional to 27,549.76, 38,018.80 and 14,974.50

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Solution

The fourth proportional to 27,549.76, 38,018.80 and 14,974.50 is: 20,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549.76 : 38,018.80 = 14,974.50 : x
  2. Step 2: Convert to fraction form
    27,549.76/38,018.80 = 14,974.50/x
  3. Step 3: Cross multiply
    27,549.76x = 38,018.80 × 14,974.50
  4. Step 4: Simplify right side
    27,549.76x = 569,312,520.60
  5. Step 5: Solve for x
    x = 569,312,520.60/27,549.76
  6. Step 6: Final answer
    x = 20,664.88

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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.