Home / 18,130.96-25,016.46-10,572.76

Finding the Fourth Proportional to 18,130.96, 25,016.46 and 10,572.76

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Solution

The fourth proportional to 18,130.96, 25,016.46 and 10,572.76 is: 14,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.96 : 25,016.46 = 10,572.76 : x
  2. Step 2: Convert to fraction form
    18,130.96/25,016.46 = 10,572.76/x
  3. Step 3: Cross multiply
    18,130.96x = 25,016.46 × 10,572.76
  4. Step 4: Simplify right side
    18,130.96x = 264,493,027.63
  5. Step 5: Solve for x
    x = 264,493,027.63/18,130.96
  6. Step 6: Final answer
    x = 14,587.92

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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.