Home / 13,281.79-19,915.29-6,158.24

Finding the Fourth Proportional to 13,281.79, 19,915.29 and 6,158.24

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Solution

The fourth proportional to 13,281.79, 19,915.29 and 6,158.24 is: 9,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.79 : 19,915.29 = 6,158.24 : x
  2. Step 2: Convert to fraction form
    13,281.79/19,915.29 = 6,158.24/x
  3. Step 3: Cross multiply
    13,281.79x = 19,915.29 × 6,158.24
  4. Step 4: Simplify right side
    13,281.79x = 122,643,239.94
  5. Step 5: Solve for x
    x = 122,643,239.94/13,281.79
  6. Step 6: Final answer
    x = 9,233.94

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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.