Home / 22,656.39-31,266.50-13,705.53

Finding the Fourth Proportional to 22,656.39, 31,266.50 and 13,705.53

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Solution

The fourth proportional to 22,656.39, 31,266.50 and 13,705.53 is: 18,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.39 : 31,266.50 = 13,705.53 : x
  2. Step 2: Convert to fraction form
    22,656.39/31,266.50 = 13,705.53/x
  3. Step 3: Cross multiply
    22,656.39x = 31,266.50 × 13,705.53
  4. Step 4: Simplify right side
    22,656.39x = 428,523,885.22
  5. Step 5: Solve for x
    x = 428,523,885.22/22,656.39
  6. Step 6: Final answer
    x = 18,914.04

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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.