Home / 25,223.36-34,785.60-15,792.96

Finding the Fourth Proportional to 25,223.36, 34,785.60 and 15,792.96

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Solution

The fourth proportional to 25,223.36, 34,785.60 and 15,792.96 is: 21,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.36 : 34,785.60 = 15,792.96 : x
  2. Step 2: Convert to fraction form
    25,223.36/34,785.60 = 15,792.96/x
  3. Step 3: Cross multiply
    25,223.36x = 34,785.60 × 15,792.96
  4. Step 4: Simplify right side
    25,223.36x = 549,367,589.38
  5. Step 5: Solve for x
    x = 549,367,589.38/25,223.36
  6. Step 6: Final answer
    x = 21,780.11

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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.