Home / 23,429.32-32,331-13,356.32

Finding the Fourth Proportional to 23,429.32, 32,331 and 13,356.32

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Solution

The fourth proportional to 23,429.32, 32,331 and 13,356.32 is: 18,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.32 : 32,331 = 13,356.32 : x
  2. Step 2: Convert to fraction form
    23,429.32/32,331 = 13,356.32/x
  3. Step 3: Cross multiply
    23,429.32x = 32,331 × 13,356.32
  4. Step 4: Simplify right side
    23,429.32x = 431,823,181.92
  5. Step 5: Solve for x
    x = 431,823,181.92/23,429.32
  6. Step 6: Final answer
    x = 18,430.89

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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.