Home / 22,785.90-34,117.09-11,818.86

Finding the Fourth Proportional to 22,785.90, 34,117.09 and 11,818.86

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Solution

The fourth proportional to 22,785.90, 34,117.09 and 11,818.86 is: 17,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.90 : 34,117.09 = 11,818.86 : x
  2. Step 2: Convert to fraction form
    22,785.90/34,117.09 = 11,818.86/x
  3. Step 3: Cross multiply
    22,785.90x = 34,117.09 × 11,818.86
  4. Step 4: Simplify right side
    22,785.90x = 403,225,110.32
  5. Step 5: Solve for x
    x = 403,225,110.32/22,785.90
  6. Step 6: Final answer
    x = 17,696.26

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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.