Home / 23,459.11-32,375.90-13,389.07

Finding the Fourth Proportional to 23,459.11, 32,375.90 and 13,389.07

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Solution

The fourth proportional to 23,459.11, 32,375.90 and 13,389.07 is: 18,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.11 : 32,375.90 = 13,389.07 : x
  2. Step 2: Convert to fraction form
    23,459.11/32,375.90 = 13,389.07/x
  3. Step 3: Cross multiply
    23,459.11x = 32,375.90 × 13,389.07
  4. Step 4: Simplify right side
    23,459.11x = 433,483,129.34
  5. Step 5: Solve for x
    x = 433,483,129.34/23,459.11
  6. Step 6: Final answer
    x = 18,478.24

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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.