Home / 18,117.21-25,001.35-10,159.26

Finding the Fourth Proportional to 18,117.21, 25,001.35 and 10,159.26

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Solution

The fourth proportional to 18,117.21, 25,001.35 and 10,159.26 is: 14,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.21 : 25,001.35 = 10,159.26 : x
  2. Step 2: Convert to fraction form
    18,117.21/25,001.35 = 10,159.26/x
  3. Step 3: Cross multiply
    18,117.21x = 25,001.35 × 10,159.26
  4. Step 4: Simplify right side
    18,117.21x = 253,995,215.00
  5. Step 5: Solve for x
    x = 253,995,215.00/18,117.21
  6. Step 6: Final answer
    x = 14,019.55

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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.