Home / 23,428.32-32,329.62-13,355.32

Finding the Fourth Proportional to 23,428.32, 32,329.62 and 13,355.32

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Solution

The fourth proportional to 23,428.32, 32,329.62 and 13,355.32 is: 18,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.32 : 32,329.62 = 13,355.32 : x
  2. Step 2: Convert to fraction form
    23,428.32/32,329.62 = 13,355.32/x
  3. Step 3: Cross multiply
    23,428.32x = 32,329.62 × 13,355.32
  4. Step 4: Simplify right side
    23,428.32x = 431,772,420.58
  5. Step 5: Solve for x
    x = 431,772,420.58/23,428.32
  6. Step 6: Final answer
    x = 18,429.51

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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.