Home / 22,700.03-31,326.47-12,629.41

Finding the Fourth Proportional to 22,700.03, 31,326.47 and 12,629.41

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Solution

The fourth proportional to 22,700.03, 31,326.47 and 12,629.41 is: 17,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.03 : 31,326.47 = 12,629.41 : x
  2. Step 2: Convert to fraction form
    22,700.03/31,326.47 = 12,629.41/x
  3. Step 3: Cross multiply
    22,700.03x = 31,326.47 × 12,629.41
  4. Step 4: Simplify right side
    22,700.03x = 395,634,889.12
  5. Step 5: Solve for x
    x = 395,634,889.12/22,700.03
  6. Step 6: Final answer
    x = 17,428.82

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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.