Home / 18,064.89-24,931.40-11,355.66

Finding the Fourth Proportional to 18,064.89, 24,931.40 and 11,355.66

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Solution

The fourth proportional to 18,064.89, 24,931.40 and 11,355.66 is: 15,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.89 : 24,931.40 = 11,355.66 : x
  2. Step 2: Convert to fraction form
    18,064.89/24,931.40 = 11,355.66/x
  3. Step 3: Cross multiply
    18,064.89x = 24,931.40 × 11,355.66
  4. Step 4: Simplify right side
    18,064.89x = 283,112,444.95
  5. Step 5: Solve for x
    x = 283,112,444.95/18,064.89
  6. Step 6: Final answer
    x = 15,671.97

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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.