Home / 15,515.67-23,098.01-15,423.41

Finding the Fourth Proportional to 15,515.67, 23,098.01 and 15,423.41

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Solution

The fourth proportional to 15,515.67, 23,098.01 and 15,423.41 is: 22,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.67 : 23,098.01 = 15,423.41 : x
  2. Step 2: Convert to fraction form
    15,515.67/23,098.01 = 15,423.41/x
  3. Step 3: Cross multiply
    15,515.67x = 23,098.01 × 15,423.41
  4. Step 4: Simplify right side
    15,515.67x = 356,249,885.81
  5. Step 5: Solve for x
    x = 356,249,885.81/15,515.67
  6. Step 6: Final answer
    x = 22,960.65

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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.