Home / 23,143.10-31,937.48-12,532.76

Finding the Fourth Proportional to 23,143.10, 31,937.48 and 12,532.76

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Solution

The fourth proportional to 23,143.10, 31,937.48 and 12,532.76 is: 17,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.10 : 31,937.48 = 12,532.76 : x
  2. Step 2: Convert to fraction form
    23,143.10/31,937.48 = 12,532.76/x
  3. Step 3: Cross multiply
    23,143.10x = 31,937.48 × 12,532.76
  4. Step 4: Simplify right side
    23,143.10x = 400,264,771.84
  5. Step 5: Solve for x
    x = 400,264,771.84/23,143.10
  6. Step 6: Final answer
    x = 17,295.21

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Half scale
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Double scale
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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.