Home / 23,325.12-32,188.56-13,389.12

Finding the Fourth Proportional to 23,325.12, 32,188.56 and 13,389.12

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Solution

The fourth proportional to 23,325.12, 32,188.56 and 13,389.12 is: 18,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,325.12 : 32,188.56 = 13,389.12 : x
  2. Step 2: Convert to fraction form
    23,325.12/32,188.56 = 13,389.12/x
  3. Step 3: Cross multiply
    23,325.12x = 32,188.56 × 13,389.12
  4. Step 4: Simplify right side
    23,325.12x = 430,976,492.47
  5. Step 5: Solve for x
    x = 430,976,492.47/23,325.12
  6. Step 6: Final answer
    x = 18,476.92

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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.