Home / 18,875.60-26,049.78-11,322.24

Finding the Fourth Proportional to 18,875.60, 26,049.78 and 11,322.24

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Solution

The fourth proportional to 18,875.60, 26,049.78 and 11,322.24 is: 15,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.60 : 26,049.78 = 11,322.24 : x
  2. Step 2: Convert to fraction form
    18,875.60/26,049.78 = 11,322.24/x
  3. Step 3: Cross multiply
    18,875.60x = 26,049.78 × 11,322.24
  4. Step 4: Simplify right side
    18,875.60x = 294,941,861.11
  5. Step 5: Solve for x
    x = 294,941,861.11/18,875.60
  6. Step 6: Final answer
    x = 15,625.56

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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.