Home / 15,304.12-21,114.27-10,002.02

Finding the Fourth Proportional to 15,304.12, 21,114.27 and 10,002.02

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Solution

The fourth proportional to 15,304.12, 21,114.27 and 10,002.02 is: 13,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304.12 : 21,114.27 = 10,002.02 : x
  2. Step 2: Convert to fraction form
    15,304.12/21,114.27 = 10,002.02/x
  3. Step 3: Cross multiply
    15,304.12x = 21,114.27 × 10,002.02
  4. Step 4: Simplify right side
    15,304.12x = 211,185,245.25
  5. Step 5: Solve for x
    x = 211,185,245.25/15,304.12
  6. Step 6: Final answer
    x = 13,799.24

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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.