Home / 22,484.31-31,027.53-12,412.53

Finding the Fourth Proportional to 22,484.31, 31,027.53 and 12,412.53

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Solution

The fourth proportional to 22,484.31, 31,027.53 and 12,412.53 is: 17,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.31 : 31,027.53 = 12,412.53 : x
  2. Step 2: Convert to fraction form
    22,484.31/31,027.53 = 12,412.53/x
  3. Step 3: Cross multiply
    22,484.31x = 31,027.53 × 12,412.53
  4. Step 4: Simplify right side
    22,484.31x = 385,130,309.85
  5. Step 5: Solve for x
    x = 385,130,309.85/22,484.31
  6. Step 6: Final answer
    x = 17,128.85

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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.