Home / 17,509.80-24,159.78-16,909.68

Finding the Fourth Proportional to 17,509.80, 24,159.78 and 16,909.68

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Solution

The fourth proportional to 17,509.80, 24,159.78 and 16,909.68 is: 23,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.80 : 24,159.78 = 16,909.68 : x
  2. Step 2: Convert to fraction form
    17,509.80/24,159.78 = 16,909.68/x
  3. Step 3: Cross multiply
    17,509.80x = 24,159.78 × 16,909.68
  4. Step 4: Simplify right side
    17,509.80x = 408,534,148.67
  5. Step 5: Solve for x
    x = 408,534,148.67/17,509.80
  6. Step 6: Final answer
    x = 23,331.74

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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.