Home / 15,817.34-23,603.18-13,717.82

Finding the Fourth Proportional to 15,817.34, 23,603.18 and 13,717.82

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Solution

The fourth proportional to 15,817.34, 23,603.18 and 13,717.82 is: 20,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.34 : 23,603.18 = 13,717.82 : x
  2. Step 2: Convert to fraction form
    15,817.34/23,603.18 = 13,717.82/x
  3. Step 3: Cross multiply
    15,817.34x = 23,603.18 × 13,717.82
  4. Step 4: Simplify right side
    15,817.34x = 323,784,174.67
  5. Step 5: Solve for x
    x = 323,784,174.67/15,817.34
  6. Step 6: Final answer
    x = 20,470.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.