Home / 23,151.85-31,949.44-12,541.50

Finding the Fourth Proportional to 23,151.85, 31,949.44 and 12,541.50

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Solution

The fourth proportional to 23,151.85, 31,949.44 and 12,541.50 is: 17,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.85 : 31,949.44 = 12,541.50 : x
  2. Step 2: Convert to fraction form
    23,151.85/31,949.44 = 12,541.50/x
  3. Step 3: Cross multiply
    23,151.85x = 31,949.44 × 12,541.50
  4. Step 4: Simplify right side
    23,151.85x = 400,693,901.76
  5. Step 5: Solve for x
    x = 400,693,901.76/23,151.85
  6. Step 6: Final answer
    x = 17,307.21

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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.