Home / 24,119.88-33,285.12-13,509.70

Finding the Fourth Proportional to 24,119.88, 33,285.12 and 13,509.70

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Solution

The fourth proportional to 24,119.88, 33,285.12 and 13,509.70 is: 18,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,119.88 : 33,285.12 = 13,509.70 : x
  2. Step 2: Convert to fraction form
    24,119.88/33,285.12 = 13,509.70/x
  3. Step 3: Cross multiply
    24,119.88x = 33,285.12 × 13,509.70
  4. Step 4: Simplify right side
    24,119.88x = 449,671,985.66
  5. Step 5: Solve for x
    x = 449,671,985.66/24,119.88
  6. Step 6: Final answer
    x = 18,643.21

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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.