Home / 23,290.65-32,135.63-13,216.81

Finding the Fourth Proportional to 23,290.65, 32,135.63 and 13,216.81

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Solution

The fourth proportional to 23,290.65, 32,135.63 and 13,216.81 is: 18,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.65 : 32,135.63 = 13,216.81 : x
  2. Step 2: Convert to fraction form
    23,290.65/32,135.63 = 13,216.81/x
  3. Step 3: Cross multiply
    23,290.65x = 32,135.63 × 13,216.81
  4. Step 4: Simplify right side
    23,290.65x = 424,730,515.94
  5. Step 5: Solve for x
    x = 424,730,515.94/23,290.65
  6. Step 6: Final answer
    x = 18,236.10

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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.