Home / 18,527.40-25,555.50-11,444.76

Finding the Fourth Proportional to 18,527.40, 25,555.50 and 11,444.76

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Solution

The fourth proportional to 18,527.40, 25,555.50 and 11,444.76 is: 15,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.40 : 25,555.50 = 11,444.76 : x
  2. Step 2: Convert to fraction form
    18,527.40/25,555.50 = 11,444.76/x
  3. Step 3: Cross multiply
    18,527.40x = 25,555.50 × 11,444.76
  4. Step 4: Simplify right side
    18,527.40x = 292,476,564.18
  5. Step 5: Solve for x
    x = 292,476,564.18/18,527.40
  6. Step 6: Final answer
    x = 15,786.16

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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.