Home / 14,839.56-20,492.49-9,543.60

Finding the Fourth Proportional to 14,839.56, 20,492.49 and 9,543.60

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Solution

The fourth proportional to 14,839.56, 20,492.49 and 9,543.60 is: 13,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.56 : 20,492.49 = 9,543.60 : x
  2. Step 2: Convert to fraction form
    14,839.56/20,492.49 = 9,543.60/x
  3. Step 3: Cross multiply
    14,839.56x = 20,492.49 × 9,543.60
  4. Step 4: Simplify right side
    14,839.56x = 195,572,127.56
  5. Step 5: Solve for x
    x = 195,572,127.56/14,839.56
  6. Step 6: Final answer
    x = 13,179.11

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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.