Home / 14,890.60-20,549.12-8,176.52

Finding the Fourth Proportional to 14,890.60, 20,549.12 and 8,176.52

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Solution

The fourth proportional to 14,890.60, 20,549.12 and 8,176.52 is: 11,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.60 : 20,549.12 = 8,176.52 : x
  2. Step 2: Convert to fraction form
    14,890.60/20,549.12 = 8,176.52/x
  3. Step 3: Cross multiply
    14,890.60x = 20,549.12 × 8,176.52
  4. Step 4: Simplify right side
    14,890.60x = 168,020,290.66
  5. Step 5: Solve for x
    x = 168,020,290.66/14,890.60
  6. Step 6: Final answer
    x = 11,283.65

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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.