Home / 22,172.49-30,598.67-12,101.57

Finding the Fourth Proportional to 22,172.49, 30,598.67 and 12,101.57

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Solution

The fourth proportional to 22,172.49, 30,598.67 and 12,101.57 is: 16,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.49 : 30,598.67 = 12,101.57 : x
  2. Step 2: Convert to fraction form
    22,172.49/30,598.67 = 12,101.57/x
  3. Step 3: Cross multiply
    22,172.49x = 30,598.67 × 12,101.57
  4. Step 4: Simplify right side
    22,172.49x = 370,291,946.91
  5. Step 5: Solve for x
    x = 370,291,946.91/22,172.49
  6. Step 6: Final answer
    x = 16,700.51

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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.