Home / 15,095.40-22,643.10-5,245.80

Finding the Fourth Proportional to 15,095.40, 22,643.10 and 5,245.80

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Solution

The fourth proportional to 15,095.40, 22,643.10 and 5,245.80 is: 7,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.40 : 22,643.10 = 5,245.80 : x
  2. Step 2: Convert to fraction form
    15,095.40/22,643.10 = 5,245.80/x
  3. Step 3: Cross multiply
    15,095.40x = 22,643.10 × 5,245.80
  4. Step 4: Simplify right side
    15,095.40x = 118,781,173.98
  5. Step 5: Solve for x
    x = 118,781,173.98/15,095.40
  6. Step 6: Final answer
    x = 7,868.70

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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.