Home / 38,417.15-57,625.74-12,124.55

Finding the Fourth Proportional to 38,417.15, 57,625.74 and 12,124.55

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Solution

The fourth proportional to 38,417.15, 57,625.74 and 12,124.55 is: 18,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.15 : 57,625.74 = 12,124.55 : x
  2. Step 2: Convert to fraction form
    38,417.15/57,625.74 = 12,124.55/x
  3. Step 3: Cross multiply
    38,417.15x = 57,625.74 × 12,124.55
  4. Step 4: Simplify right side
    38,417.15x = 698,685,877.79
  5. Step 5: Solve for x
    x = 698,685,877.79/38,417.15
  6. Step 6: Final answer
    x = 18,186.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.