Home / 22,461.23-30,995.95-12,389.45

Finding the Fourth Proportional to 22,461.23, 30,995.95 and 12,389.45

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Solution

The fourth proportional to 22,461.23, 30,995.95 and 12,389.45 is: 17,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.23 : 30,995.95 = 12,389.45 : x
  2. Step 2: Convert to fraction form
    22,461.23/30,995.95 = 12,389.45/x
  3. Step 3: Cross multiply
    22,461.23x = 30,995.95 × 12,389.45
  4. Step 4: Simplify right side
    22,461.23x = 384,022,772.73
  5. Step 5: Solve for x
    x = 384,022,772.73/22,461.23
  6. Step 6: Final answer
    x = 17,097.14

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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.