Home / 12,432.84-17,122.50-10,317.48

Finding the Fourth Proportional to 12,432.84, 17,122.50 and 10,317.48

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Solution

The fourth proportional to 12,432.84, 17,122.50 and 10,317.48 is: 14,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.84 : 17,122.50 = 10,317.48 : x
  2. Step 2: Convert to fraction form
    12,432.84/17,122.50 = 10,317.48/x
  3. Step 3: Cross multiply
    12,432.84x = 17,122.50 × 10,317.48
  4. Step 4: Simplify right side
    12,432.84x = 176,661,051.30
  5. Step 5: Solve for x
    x = 176,661,051.30/12,432.84
  6. Step 6: Final answer
    x = 14,209.23

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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.