Home / 23,649.28-32,636-13,038.88

Finding the Fourth Proportional to 23,649.28, 32,636 and 13,038.88

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Solution

The fourth proportional to 23,649.28, 32,636 and 13,038.88 is: 17,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.28 : 32,636 = 13,038.88 : x
  2. Step 2: Convert to fraction form
    23,649.28/32,636 = 13,038.88/x
  3. Step 3: Cross multiply
    23,649.28x = 32,636 × 13,038.88
  4. Step 4: Simplify right side
    23,649.28x = 425,536,887.68
  5. Step 5: Solve for x
    x = 425,536,887.68/23,649.28
  6. Step 6: Final answer
    x = 17,993.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.