Home / 15,290.64-22,931.80-4,194.70

Finding the Fourth Proportional to 15,290.64, 22,931.80 and 4,194.70

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Solution

The fourth proportional to 15,290.64, 22,931.80 and 4,194.70 is: 6,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.64 : 22,931.80 = 4,194.70 : x
  2. Step 2: Convert to fraction form
    15,290.64/22,931.80 = 4,194.70/x
  3. Step 3: Cross multiply
    15,290.64x = 22,931.80 × 4,194.70
  4. Step 4: Simplify right side
    15,290.64x = 96,191,990.87
  5. Step 5: Solve for x
    x = 96,191,990.87/15,290.64
  6. Step 6: Final answer
    x = 6,290.91

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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.