Home / 14,585.60-20,100.48-11,043.20

Finding the Fourth Proportional to 14,585.60, 20,100.48 and 11,043.20

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Solution

The fourth proportional to 14,585.60, 20,100.48 and 11,043.20 is: 15,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.60 : 20,100.48 = 11,043.20 : x
  2. Step 2: Convert to fraction form
    14,585.60/20,100.48 = 11,043.20/x
  3. Step 3: Cross multiply
    14,585.60x = 20,100.48 × 11,043.20
  4. Step 4: Simplify right side
    14,585.60x = 221,973,620.74
  5. Step 5: Solve for x
    x = 221,973,620.74/14,585.60
  6. Step 6: Final answer
    x = 15,218.68

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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.