Home / 22,484.18-31,027.35-12,412.40

Finding the Fourth Proportional to 22,484.18, 31,027.35 and 12,412.40

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Solution

The fourth proportional to 22,484.18, 31,027.35 and 12,412.40 is: 17,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.18 : 31,027.35 = 12,412.40 : x
  2. Step 2: Convert to fraction form
    22,484.18/31,027.35 = 12,412.40/x
  3. Step 3: Cross multiply
    22,484.18x = 31,027.35 × 12,412.40
  4. Step 4: Simplify right side
    22,484.18x = 385,123,879.14
  5. Step 5: Solve for x
    x = 385,123,879.14/22,484.18
  6. Step 6: Final answer
    x = 17,128.66

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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.