Home / 18,264.04-25,205.16-10,306.30

Finding the Fourth Proportional to 18,264.04, 25,205.16 and 10,306.30

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Solution

The fourth proportional to 18,264.04, 25,205.16 and 10,306.30 is: 14,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.04 : 25,205.16 = 10,306.30 : x
  2. Step 2: Convert to fraction form
    18,264.04/25,205.16 = 10,306.30/x
  3. Step 3: Cross multiply
    18,264.04x = 25,205.16 × 10,306.30
  4. Step 4: Simplify right side
    18,264.04x = 259,771,940.51
  5. Step 5: Solve for x
    x = 259,771,940.51/18,264.04
  6. Step 6: Final answer
    x = 14,223.14

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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.