Home / 22,522.08-31,068-13,089.60

Finding the Fourth Proportional to 22,522.08, 31,068 and 13,089.60

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Solution

The fourth proportional to 22,522.08, 31,068 and 13,089.60 is: 18,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.08 : 31,068 = 13,089.60 : x
  2. Step 2: Convert to fraction form
    22,522.08/31,068 = 13,089.60/x
  3. Step 3: Cross multiply
    22,522.08x = 31,068 × 13,089.60
  4. Step 4: Simplify right side
    22,522.08x = 406,667,692.80
  5. Step 5: Solve for x
    x = 406,667,692.80/22,522.08
  6. Step 6: Final answer
    x = 18,056.40

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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.