Home / 23,428.05-32,326.92-13,356.51

Finding the Fourth Proportional to 23,428.05, 32,326.92 and 13,356.51

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Solution

The fourth proportional to 23,428.05, 32,326.92 and 13,356.51 is: 18,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.05 : 32,326.92 = 13,356.51 : x
  2. Step 2: Convert to fraction form
    23,428.05/32,326.92 = 13,356.51/x
  3. Step 3: Cross multiply
    23,428.05x = 32,326.92 × 13,356.51
  4. Step 4: Simplify right side
    23,428.05x = 431,774,830.25
  5. Step 5: Solve for x
    x = 431,774,830.25/23,428.05
  6. Step 6: Final answer
    x = 18,429.82

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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.