Home / 27,210.75-40,803.81-9,681.04

Finding the Fourth Proportional to 27,210.75, 40,803.81 and 9,681.04

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Solution

The fourth proportional to 27,210.75, 40,803.81 and 9,681.04 is: 14,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.75 : 40,803.81 = 9,681.04 : x
  2. Step 2: Convert to fraction form
    27,210.75/40,803.81 = 9,681.04/x
  3. Step 3: Cross multiply
    27,210.75x = 40,803.81 × 9,681.04
  4. Step 4: Simplify right side
    27,210.75x = 395,023,316.76
  5. Step 5: Solve for x
    x = 395,023,316.76/27,210.75
  6. Step 6: Final answer
    x = 14,517.18

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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.