Home / 38,883.47-58,334.46-12,588.21

Finding the Fourth Proportional to 38,883.47, 58,334.46 and 12,588.21

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Solution

The fourth proportional to 38,883.47, 58,334.46 and 12,588.21 is: 18,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.47 : 58,334.46 = 12,588.21 : x
  2. Step 2: Convert to fraction form
    38,883.47/58,334.46 = 12,588.21/x
  3. Step 3: Cross multiply
    38,883.47x = 58,334.46 × 12,588.21
  4. Step 4: Simplify right side
    38,883.47x = 734,326,141.04
  5. Step 5: Solve for x
    x = 734,326,141.04/38,883.47
  6. Step 6: Final answer
    x = 18,885.31

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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.