Home / 23,108.10-31,888.17-13,036.74

Finding the Fourth Proportional to 23,108.10, 31,888.17 and 13,036.74

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Solution

The fourth proportional to 23,108.10, 31,888.17 and 13,036.74 is: 17,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.10 : 31,888.17 = 13,036.74 : x
  2. Step 2: Convert to fraction form
    23,108.10/31,888.17 = 13,036.74/x
  3. Step 3: Cross multiply
    23,108.10x = 31,888.17 × 13,036.74
  4. Step 4: Simplify right side
    23,108.10x = 415,717,781.37
  5. Step 5: Solve for x
    x = 415,717,781.37/23,108.10
  6. Step 6: Final answer
    x = 17,990.13

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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.