Home / 17,979.48-24,810.66-9,911.52

Finding the Fourth Proportional to 17,979.48, 24,810.66 and 9,911.52

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Solution

The fourth proportional to 17,979.48, 24,810.66 and 9,911.52 is: 13,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.48 : 24,810.66 = 9,911.52 : x
  2. Step 2: Convert to fraction form
    17,979.48/24,810.66 = 9,911.52/x
  3. Step 3: Cross multiply
    17,979.48x = 24,810.66 × 9,911.52
  4. Step 4: Simplify right side
    17,979.48x = 245,911,352.80
  5. Step 5: Solve for x
    x = 245,911,352.80/17,979.48
  6. Step 6: Final answer
    x = 13,677.33

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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.