Home / 22,484.92-31,026.98-12,412.72

Finding the Fourth Proportional to 22,484.92, 31,026.98 and 12,412.72

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Solution

The fourth proportional to 22,484.92, 31,026.98 and 12,412.72 is: 17,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.92 : 31,026.98 = 12,412.72 : x
  2. Step 2: Convert to fraction form
    22,484.92/31,026.98 = 12,412.72/x
  3. Step 3: Cross multiply
    22,484.92x = 31,026.98 × 12,412.72
  4. Step 4: Simplify right side
    22,484.92x = 385,129,215.19
  5. Step 5: Solve for x
    x = 385,129,215.19/22,484.92
  6. Step 6: Final answer
    x = 17,128.33

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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.