Home / 24,971.18-34,458.71-13,638.38

Finding the Fourth Proportional to 24,971.18, 34,458.71 and 13,638.38

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Solution

The fourth proportional to 24,971.18, 34,458.71 and 13,638.38 is: 18,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,971.18 : 34,458.71 = 13,638.38 : x
  2. Step 2: Convert to fraction form
    24,971.18/34,458.71 = 13,638.38/x
  3. Step 3: Cross multiply
    24,971.18x = 34,458.71 × 13,638.38
  4. Step 4: Simplify right side
    24,971.18x = 469,960,999.24
  5. Step 5: Solve for x
    x = 469,960,999.24/24,971.18
  6. Step 6: Final answer
    x = 18,820.13

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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.