Home / 22,492.86-31,049.91-15,455.58

Finding the Fourth Proportional to 22,492.86, 31,049.91 and 15,455.58

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Solution

The fourth proportional to 22,492.86, 31,049.91 and 15,455.58 is: 21,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.86 : 31,049.91 = 15,455.58 : x
  2. Step 2: Convert to fraction form
    22,492.86/31,049.91 = 15,455.58/x
  3. Step 3: Cross multiply
    22,492.86x = 31,049.91 × 15,455.58
  4. Step 4: Simplify right side
    22,492.86x = 479,894,368.00
  5. Step 5: Solve for x
    x = 479,894,368.00/22,492.86
  6. Step 6: Final answer
    x = 21,335.41

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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.