Home / 22,347.02-30,839.09-12,275.66

Finding the Fourth Proportional to 22,347.02, 30,839.09 and 12,275.66

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Solution

The fourth proportional to 22,347.02, 30,839.09 and 12,275.66 is: 16,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.02 : 30,839.09 = 12,275.66 : x
  2. Step 2: Convert to fraction form
    22,347.02/30,839.09 = 12,275.66/x
  3. Step 3: Cross multiply
    22,347.02x = 30,839.09 × 12,275.66
  4. Step 4: Simplify right side
    22,347.02x = 378,570,199.27
  5. Step 5: Solve for x
    x = 378,570,199.27/22,347.02
  6. Step 6: Final answer
    x = 16,940.52

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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.