Home / 25,510.34-38,239.09-18,472.76

Finding the Fourth Proportional to 25,510.34, 38,239.09 and 18,472.76

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Solution

The fourth proportional to 25,510.34, 38,239.09 and 18,472.76 is: 27,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.34 : 38,239.09 = 18,472.76 : x
  2. Step 2: Convert to fraction form
    25,510.34/38,239.09 = 18,472.76/x
  3. Step 3: Cross multiply
    25,510.34x = 38,239.09 × 18,472.76
  4. Step 4: Simplify right side
    25,510.34x = 706,381,438.21
  5. Step 5: Solve for x
    x = 706,381,438.21/25,510.34
  6. Step 6: Final answer
    x = 27,690.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.