Home / 23,119.34-31,904.69-12,508.97

Finding the Fourth Proportional to 23,119.34, 31,904.69 and 12,508.97

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Solution

The fourth proportional to 23,119.34, 31,904.69 and 12,508.97 is: 17,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.34 : 31,904.69 = 12,508.97 : x
  2. Step 2: Convert to fraction form
    23,119.34/31,904.69 = 12,508.97/x
  3. Step 3: Cross multiply
    23,119.34x = 31,904.69 × 12,508.97
  4. Step 4: Simplify right side
    23,119.34x = 399,094,827.29
  5. Step 5: Solve for x
    x = 399,094,827.29/23,119.34
  6. Step 6: Final answer
    x = 17,262.38

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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.