Home / 22,551.26-31,119.67-12,342.06

Finding the Fourth Proportional to 22,551.26, 31,119.67 and 12,342.06

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Solution

The fourth proportional to 22,551.26, 31,119.67 and 12,342.06 is: 17,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.26 : 31,119.67 = 12,342.06 : x
  2. Step 2: Convert to fraction form
    22,551.26/31,119.67 = 12,342.06/x
  3. Step 3: Cross multiply
    22,551.26x = 31,119.67 × 12,342.06
  4. Step 4: Simplify right side
    22,551.26x = 384,080,803.47
  5. Step 5: Solve for x
    x = 384,080,803.47/22,551.26
  6. Step 6: Final answer
    x = 17,031.46

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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.