Home / 17,929.47-24,740.77-9,970.41

Finding the Fourth Proportional to 17,929.47, 24,740.77 and 9,970.41

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Solution

The fourth proportional to 17,929.47, 24,740.77 and 9,970.41 is: 13,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.47 : 24,740.77 = 9,970.41 : x
  2. Step 2: Convert to fraction form
    17,929.47/24,740.77 = 9,970.41/x
  3. Step 3: Cross multiply
    17,929.47x = 24,740.77 × 9,970.41
  4. Step 4: Simplify right side
    17,929.47x = 246,675,620.62
  5. Step 5: Solve for x
    x = 246,675,620.62/17,929.47
  6. Step 6: Final answer
    x = 13,758.11

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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.