Home / 15,422.51-23,119.05-7,108.13

Finding the Fourth Proportional to 15,422.51, 23,119.05 and 7,108.13

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Solution

The fourth proportional to 15,422.51, 23,119.05 and 7,108.13 is: 10,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.51 : 23,119.05 = 7,108.13 : x
  2. Step 2: Convert to fraction form
    15,422.51/23,119.05 = 7,108.13/x
  3. Step 3: Cross multiply
    15,422.51x = 23,119.05 × 7,108.13
  4. Step 4: Simplify right side
    15,422.51x = 164,333,212.88
  5. Step 5: Solve for x
    x = 164,333,212.88/15,422.51
  6. Step 6: Final answer
    x = 10,655.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.