Home / 23,391.36-32,281.86-13,320.22

Finding the Fourth Proportional to 23,391.36, 32,281.86 and 13,320.22

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Solution

The fourth proportional to 23,391.36, 32,281.86 and 13,320.22 is: 18,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.36 : 32,281.86 = 13,320.22 : x
  2. Step 2: Convert to fraction form
    23,391.36/32,281.86 = 13,320.22/x
  3. Step 3: Cross multiply
    23,391.36x = 32,281.86 × 13,320.22
  4. Step 4: Simplify right side
    23,391.36x = 430,001,477.21
  5. Step 5: Solve for x
    x = 430,001,477.21/23,391.36
  6. Step 6: Final answer
    x = 18,382.92

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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.