Home / 27,121.23-40,680.63-9,591.21

Finding the Fourth Proportional to 27,121.23, 40,680.63 and 9,591.21

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Solution

The fourth proportional to 27,121.23, 40,680.63 and 9,591.21 is: 14,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.23 : 40,680.63 = 9,591.21 : x
  2. Step 2: Convert to fraction form
    27,121.23/40,680.63 = 9,591.21/x
  3. Step 3: Cross multiply
    27,121.23x = 40,680.63 × 9,591.21
  4. Step 4: Simplify right side
    27,121.23x = 390,176,465.26
  5. Step 5: Solve for x
    x = 390,176,465.26/27,121.23
  6. Step 6: Final answer
    x = 14,386.39

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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.