Home / 22,283.04-30,750.99-12,210.81

Finding the Fourth Proportional to 22,283.04, 30,750.99 and 12,210.81

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Solution

The fourth proportional to 22,283.04, 30,750.99 and 12,210.81 is: 16,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.04 : 30,750.99 = 12,210.81 : x
  2. Step 2: Convert to fraction form
    22,283.04/30,750.99 = 12,210.81/x
  3. Step 3: Cross multiply
    22,283.04x = 30,750.99 × 12,210.81
  4. Step 4: Simplify right side
    22,283.04x = 375,494,496.20
  5. Step 5: Solve for x
    x = 375,494,496.20/22,283.04
  6. Step 6: Final answer
    x = 16,851.13

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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.