Home / 18,384.60-25,370.88-10,001.08

Finding the Fourth Proportional to 18,384.60, 25,370.88 and 10,001.08

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Solution

The fourth proportional to 18,384.60, 25,370.88 and 10,001.08 is: 13,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.60 : 25,370.88 = 10,001.08 : x
  2. Step 2: Convert to fraction form
    18,384.60/25,370.88 = 10,001.08/x
  3. Step 3: Cross multiply
    18,384.60x = 25,370.88 × 10,001.08
  4. Step 4: Simplify right side
    18,384.60x = 253,736,200.55
  5. Step 5: Solve for x
    x = 253,736,200.55/18,384.60
  6. Step 6: Final answer
    x = 13,801.56

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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.