Home / 22,645.08-31,256.82-15,102.36

Finding the Fourth Proportional to 22,645.08, 31,256.82 and 15,102.36

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Solution

The fourth proportional to 22,645.08, 31,256.82 and 15,102.36 is: 20,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.08 : 31,256.82 = 15,102.36 : x
  2. Step 2: Convert to fraction form
    22,645.08/31,256.82 = 15,102.36/x
  3. Step 3: Cross multiply
    22,645.08x = 31,256.82 × 15,102.36
  4. Step 4: Simplify right side
    22,645.08x = 472,051,748.10
  5. Step 5: Solve for x
    x = 472,051,748.10/22,645.08
  6. Step 6: Final answer
    x = 20,845.66

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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.