Home / 21,613.77-32,535.23-15,416.66

Finding the Fourth Proportional to 21,613.77, 32,535.23 and 15,416.66

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Solution

The fourth proportional to 21,613.77, 32,535.23 and 15,416.66 is: 23,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.77 : 32,535.23 = 15,416.66 : x
  2. Step 2: Convert to fraction form
    21,613.77/32,535.23 = 15,416.66/x
  3. Step 3: Cross multiply
    21,613.77x = 32,535.23 × 15,416.66
  4. Step 4: Simplify right side
    21,613.77x = 501,584,583.19
  5. Step 5: Solve for x
    x = 501,584,583.19/21,613.77
  6. Step 6: Final answer
    x = 23,206.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.