Home / 19,825.08-27,357.66-10,870.92

Finding the Fourth Proportional to 19,825.08, 27,357.66 and 10,870.92

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Solution

The fourth proportional to 19,825.08, 27,357.66 and 10,870.92 is: 15,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.08 : 27,357.66 = 10,870.92 : x
  2. Step 2: Convert to fraction form
    19,825.08/27,357.66 = 10,870.92/x
  3. Step 3: Cross multiply
    19,825.08x = 27,357.66 × 10,870.92
  4. Step 4: Simplify right side
    19,825.08x = 297,402,933.25
  5. Step 5: Solve for x
    x = 297,402,933.25/19,825.08
  6. Step 6: Final answer
    x = 15,001.35

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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.