Home / 16,445.61-22,680.05-14,064.53

Finding the Fourth Proportional to 16,445.61, 22,680.05 and 14,064.53

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Solution

The fourth proportional to 16,445.61, 22,680.05 and 14,064.53 is: 19,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.61 : 22,680.05 = 14,064.53 : x
  2. Step 2: Convert to fraction form
    16,445.61/22,680.05 = 14,064.53/x
  3. Step 3: Cross multiply
    16,445.61x = 22,680.05 × 14,064.53
  4. Step 4: Simplify right side
    16,445.61x = 318,984,059.90
  5. Step 5: Solve for x
    x = 318,984,059.90/16,445.61
  6. Step 6: Final answer
    x = 19,396.30

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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.