Home / 27,646.29-38,148.03-15,545.16

Finding the Fourth Proportional to 27,646.29, 38,148.03 and 15,545.16

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Solution

The fourth proportional to 27,646.29, 38,148.03 and 15,545.16 is: 21,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.29 : 38,148.03 = 15,545.16 : x
  2. Step 2: Convert to fraction form
    27,646.29/38,148.03 = 15,545.16/x
  3. Step 3: Cross multiply
    27,646.29x = 38,148.03 × 15,545.16
  4. Step 4: Simplify right side
    27,646.29x = 593,017,230.03
  5. Step 5: Solve for x
    x = 593,017,230.03/27,646.29
  6. Step 6: Final answer
    x = 21,450.16

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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.