Home / 12,423.74-17,169.36-10,182.08

Finding the Fourth Proportional to 12,423.74, 17,169.36 and 10,182.08

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Solution

The fourth proportional to 12,423.74, 17,169.36 and 10,182.08 is: 14,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.74 : 17,169.36 = 10,182.08 : x
  2. Step 2: Convert to fraction form
    12,423.74/17,169.36 = 10,182.08/x
  3. Step 3: Cross multiply
    12,423.74x = 17,169.36 × 10,182.08
  4. Step 4: Simplify right side
    12,423.74x = 174,819,797.07
  5. Step 5: Solve for x
    x = 174,819,797.07/12,423.74
  6. Step 6: Final answer
    x = 14,071.43

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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.