Home / 23,143.03-31,937.40-12,532.68

Finding the Fourth Proportional to 23,143.03, 31,937.40 and 12,532.68

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Solution

The fourth proportional to 23,143.03, 31,937.40 and 12,532.68 is: 17,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.03 : 31,937.40 = 12,532.68 : x
  2. Step 2: Convert to fraction form
    23,143.03/31,937.40 = 12,532.68/x
  3. Step 3: Cross multiply
    23,143.03x = 31,937.40 × 12,532.68
  4. Step 4: Simplify right side
    23,143.03x = 400,261,214.23
  5. Step 5: Solve for x
    x = 400,261,214.23/23,143.03
  6. Step 6: Final answer
    x = 17,295.11

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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.