Home / 23,345.32-32,220.78-13,784.68

Finding the Fourth Proportional to 23,345.32, 32,220.78 and 13,784.68

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Solution

The fourth proportional to 23,345.32, 32,220.78 and 13,784.68 is: 19,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.32 : 32,220.78 = 13,784.68 : x
  2. Step 2: Convert to fraction form
    23,345.32/32,220.78 = 13,784.68/x
  3. Step 3: Cross multiply
    23,345.32x = 32,220.78 × 13,784.68
  4. Step 4: Simplify right side
    23,345.32x = 444,153,141.65
  5. Step 5: Solve for x
    x = 444,153,141.65/23,345.32
  6. Step 6: Final answer
    x = 19,025.36

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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.