Home / 25,783.13-38,681.17-7,315.13

Finding the Fourth Proportional to 25,783.13, 38,681.17 and 7,315.13

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Solution

The fourth proportional to 25,783.13, 38,681.17 and 7,315.13 is: 10,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.13 : 38,681.17 = 7,315.13 : x
  2. Step 2: Convert to fraction form
    25,783.13/38,681.17 = 7,315.13/x
  3. Step 3: Cross multiply
    25,783.13x = 38,681.17 × 7,315.13
  4. Step 4: Simplify right side
    25,783.13x = 282,957,575.41
  5. Step 5: Solve for x
    x = 282,957,575.41/25,783.13
  6. Step 6: Final answer
    x = 10,974.53

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