Home / 19,715.63-29,562.08-13,483.20

Finding the Fourth Proportional to 19,715.63, 29,562.08 and 13,483.20

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Solution

The fourth proportional to 19,715.63, 29,562.08 and 13,483.20 is: 20,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.63 : 29,562.08 = 13,483.20 : x
  2. Step 2: Convert to fraction form
    19,715.63/29,562.08 = 13,483.20/x
  3. Step 3: Cross multiply
    19,715.63x = 29,562.08 × 13,483.20
  4. Step 4: Simplify right side
    19,715.63x = 398,591,309.34
  5. Step 5: Solve for x
    x = 398,591,309.34/19,715.63
  6. Step 6: Final answer
    x = 20,217.02

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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.