Home / 14,713.90-20,302.28-8,253.74

Finding the Fourth Proportional to 14,713.90, 20,302.28 and 8,253.74

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Solution

The fourth proportional to 14,713.90, 20,302.28 and 8,253.74 is: 11,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.90 : 20,302.28 = 8,253.74 : x
  2. Step 2: Convert to fraction form
    14,713.90/20,302.28 = 8,253.74/x
  3. Step 3: Cross multiply
    14,713.90x = 20,302.28 × 8,253.74
  4. Step 4: Simplify right side
    14,713.90x = 167,569,740.53
  5. Step 5: Solve for x
    x = 167,569,740.53/14,713.90
  6. Step 6: Final answer
    x = 11,388.53

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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.