Home / 10,671.34-15,929.99-10,192.06

Finding the Fourth Proportional to 10,671.34, 15,929.99 and 10,192.06

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Solution

The fourth proportional to 10,671.34, 15,929.99 and 10,192.06 is: 15,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.34 : 15,929.99 = 10,192.06 : x
  2. Step 2: Convert to fraction form
    10,671.34/15,929.99 = 10,192.06/x
  3. Step 3: Cross multiply
    10,671.34x = 15,929.99 × 10,192.06
  4. Step 4: Simplify right side
    10,671.34x = 162,359,413.88
  5. Step 5: Solve for x
    x = 162,359,413.88/10,671.34
  6. Step 6: Final answer
    x = 15,214.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.