Home / 25,182.20-37,802.40-13,518.20

Finding the Fourth Proportional to 25,182.20, 37,802.40 and 13,518.20

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Solution

The fourth proportional to 25,182.20, 37,802.40 and 13,518.20 is: 20,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,182.20 : 37,802.40 = 13,518.20 : x
  2. Step 2: Convert to fraction form
    25,182.20/37,802.40 = 13,518.20/x
  3. Step 3: Cross multiply
    25,182.20x = 37,802.40 × 13,518.20
  4. Step 4: Simplify right side
    25,182.20x = 511,020,403.68
  5. Step 5: Solve for x
    x = 511,020,403.68/25,182.20
  6. Step 6: Final answer
    x = 20,292.92

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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.