Home / 25,197.48-34,772.49-15,633.81

Finding the Fourth Proportional to 25,197.48, 34,772.49 and 15,633.81

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Solution

The fourth proportional to 25,197.48, 34,772.49 and 15,633.81 is: 21,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,197.48 : 34,772.49 = 15,633.81 : x
  2. Step 2: Convert to fraction form
    25,197.48/34,772.49 = 15,633.81/x
  3. Step 3: Cross multiply
    25,197.48x = 34,772.49 × 15,633.81
  4. Step 4: Simplify right side
    25,197.48x = 543,626,501.89
  5. Step 5: Solve for x
    x = 543,626,501.89/25,197.48
  6. Step 6: Final answer
    x = 21,574.64

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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.