Home / 28,130.52-38,836.97-17,534.51

Finding the Fourth Proportional to 28,130.52, 38,836.97 and 17,534.51

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Solution

The fourth proportional to 28,130.52, 38,836.97 and 17,534.51 is: 24,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130.52 : 38,836.97 = 17,534.51 : x
  2. Step 2: Convert to fraction form
    28,130.52/38,836.97 = 17,534.51/x
  3. Step 3: Cross multiply
    28,130.52x = 38,836.97 × 17,534.51
  4. Step 4: Simplify right side
    28,130.52x = 680,987,238.83
  5. Step 5: Solve for x
    x = 680,987,238.83/28,130.52
  6. Step 6: Final answer
    x = 24,208.13

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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.