Home / 18,287.60-25,235.52-10,329.80

Finding the Fourth Proportional to 18,287.60, 25,235.52 and 10,329.80

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Solution

The fourth proportional to 18,287.60, 25,235.52 and 10,329.80 is: 14,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.60 : 25,235.52 = 10,329.80 : x
  2. Step 2: Convert to fraction form
    18,287.60/25,235.52 = 10,329.80/x
  3. Step 3: Cross multiply
    18,287.60x = 25,235.52 × 10,329.80
  4. Step 4: Simplify right side
    18,287.60x = 260,677,874.50
  5. Step 5: Solve for x
    x = 260,677,874.50/18,287.60
  6. Step 6: Final answer
    x = 14,254.35

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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.