Home / 12,822.19-19,235.77-4,924.13

Finding the Fourth Proportional to 12,822.19, 19,235.77 and 4,924.13

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Solution

The fourth proportional to 12,822.19, 19,235.77 and 4,924.13 is: 7,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.19 : 19,235.77 = 4,924.13 : x
  2. Step 2: Convert to fraction form
    12,822.19/19,235.77 = 4,924.13/x
  3. Step 3: Cross multiply
    12,822.19x = 19,235.77 × 4,924.13
  4. Step 4: Simplify right side
    12,822.19x = 94,719,358.26
  5. Step 5: Solve for x
    x = 94,719,358.26/12,822.19
  6. Step 6: Final answer
    x = 7,387.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.