Home / 22,095.75-30,492.14-12,669.78

Finding the Fourth Proportional to 22,095.75, 30,492.14 and 12,669.78

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Solution

The fourth proportional to 22,095.75, 30,492.14 and 12,669.78 is: 17,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,095.75 : 30,492.14 = 12,669.78 : x
  2. Step 2: Convert to fraction form
    22,095.75/30,492.14 = 12,669.78/x
  3. Step 3: Cross multiply
    22,095.75x = 30,492.14 × 12,669.78
  4. Step 4: Simplify right side
    22,095.75x = 386,328,642.18
  5. Step 5: Solve for x
    x = 386,328,642.18/22,095.75
  6. Step 6: Final answer
    x = 17,484.30

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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.