Home / 25,302.24-34,864.56-21,512.16

Finding the Fourth Proportional to 25,302.24, 34,864.56 and 21,512.16

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Solution

The fourth proportional to 25,302.24, 34,864.56 and 21,512.16 is: 29,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.24 : 34,864.56 = 21,512.16 : x
  2. Step 2: Convert to fraction form
    25,302.24/34,864.56 = 21,512.16/x
  3. Step 3: Cross multiply
    25,302.24x = 34,864.56 × 21,512.16
  4. Step 4: Simplify right side
    25,302.24x = 750,011,993.05
  5. Step 5: Solve for x
    x = 750,011,993.05/25,302.24
  6. Step 6: Final answer
    x = 29,642.12

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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.