Home / 23,217.25-32,039.81-13,281.25

Finding the Fourth Proportional to 23,217.25, 32,039.81 and 13,281.25

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Solution

The fourth proportional to 23,217.25, 32,039.81 and 13,281.25 is: 18,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.25 : 32,039.81 = 13,281.25 : x
  2. Step 2: Convert to fraction form
    23,217.25/32,039.81 = 13,281.25/x
  3. Step 3: Cross multiply
    23,217.25x = 32,039.81 × 13,281.25
  4. Step 4: Simplify right side
    23,217.25x = 425,528,660.16
  5. Step 5: Solve for x
    x = 425,528,660.16/23,217.25
  6. Step 6: Final answer
    x = 18,328.13

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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.