Home / 15,740.33-23,626.89-6,981.39

Finding the Fourth Proportional to 15,740.33, 23,626.89 and 6,981.39

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Solution

The fourth proportional to 15,740.33, 23,626.89 and 6,981.39 is: 10,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.33 : 23,626.89 = 6,981.39 : x
  2. Step 2: Convert to fraction form
    15,740.33/23,626.89 = 6,981.39/x
  3. Step 3: Cross multiply
    15,740.33x = 23,626.89 × 6,981.39
  4. Step 4: Simplify right side
    15,740.33x = 164,948,533.58
  5. Step 5: Solve for x
    x = 164,948,533.58/15,740.33
  6. Step 6: Final answer
    x = 10,479.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.