Home / 23,180.04-31,988.52-12,569.70

Finding the Fourth Proportional to 23,180.04, 31,988.52 and 12,569.70

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Solution

The fourth proportional to 23,180.04, 31,988.52 and 12,569.70 is: 17,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.04 : 31,988.52 = 12,569.70 : x
  2. Step 2: Convert to fraction form
    23,180.04/31,988.52 = 12,569.70/x
  3. Step 3: Cross multiply
    23,180.04x = 31,988.52 × 12,569.70
  4. Step 4: Simplify right side
    23,180.04x = 402,086,099.84
  5. Step 5: Solve for x
    x = 402,086,099.84/23,180.04
  6. Step 6: Final answer
    x = 17,346.22

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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.