Home / 36,294.13-54,432.06-12,915.10

Finding the Fourth Proportional to 36,294.13, 54,432.06 and 12,915.10

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Solution

The fourth proportional to 36,294.13, 54,432.06 and 12,915.10 is: 19,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.13 : 54,432.06 = 12,915.10 : x
  2. Step 2: Convert to fraction form
    36,294.13/54,432.06 = 12,915.10/x
  3. Step 3: Cross multiply
    36,294.13x = 54,432.06 × 12,915.10
  4. Step 4: Simplify right side
    36,294.13x = 702,995,498.11
  5. Step 5: Solve for x
    x = 702,995,498.11/36,294.13
  6. Step 6: Final answer
    x = 19,369.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.