Home / 19,251.12-26,552.16-12,962.28

Finding the Fourth Proportional to 19,251.12, 26,552.16 and 12,962.28

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Solution

The fourth proportional to 19,251.12, 26,552.16 and 12,962.28 is: 17,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.12 : 26,552.16 = 12,962.28 : x
  2. Step 2: Convert to fraction form
    19,251.12/26,552.16 = 12,962.28/x
  3. Step 3: Cross multiply
    19,251.12x = 26,552.16 × 12,962.28
  4. Step 4: Simplify right side
    19,251.12x = 344,176,532.52
  5. Step 5: Solve for x
    x = 344,176,532.52/19,251.12
  6. Step 6: Final answer
    x = 17,878.26

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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.