Home / 12,625.74-17,423.35-7,320.42

Finding the Fourth Proportional to 12,625.74, 17,423.35 and 7,320.42

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Solution

The fourth proportional to 12,625.74, 17,423.35 and 7,320.42 is: 10,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.74 : 17,423.35 = 7,320.42 : x
  2. Step 2: Convert to fraction form
    12,625.74/17,423.35 = 7,320.42/x
  3. Step 3: Cross multiply
    12,625.74x = 17,423.35 × 7,320.42
  4. Step 4: Simplify right side
    12,625.74x = 127,546,239.81
  5. Step 5: Solve for x
    x = 127,546,239.81/12,625.74
  6. Step 6: Final answer
    x = 10,102.08

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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.