Home / 13,045.28-19,567.68-5,253.90

Finding the Fourth Proportional to 13,045.28, 19,567.68 and 5,253.90

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Solution

The fourth proportional to 13,045.28, 19,567.68 and 5,253.90 is: 7,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.28 : 19,567.68 = 5,253.90 : x
  2. Step 2: Convert to fraction form
    13,045.28/19,567.68 = 5,253.90/x
  3. Step 3: Cross multiply
    13,045.28x = 19,567.68 × 5,253.90
  4. Step 4: Simplify right side
    13,045.28x = 102,806,633.95
  5. Step 5: Solve for x
    x = 102,806,633.95/13,045.28
  6. Step 6: Final answer
    x = 7,880.75

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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.