Home / 27,210.83-40,816.23-9,680.81

Finding the Fourth Proportional to 27,210.83, 40,816.23 and 9,680.81

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Solution

The fourth proportional to 27,210.83, 40,816.23 and 9,680.81 is: 14,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.83 : 40,816.23 = 9,680.81 : x
  2. Step 2: Convert to fraction form
    27,210.83/40,816.23 = 9,680.81/x
  3. Step 3: Cross multiply
    27,210.83x = 40,816.23 × 9,680.81
  4. Step 4: Simplify right side
    27,210.83x = 395,133,963.47
  5. Step 5: Solve for x
    x = 395,133,963.47/27,210.83
  6. Step 6: Final answer
    x = 14,521.20

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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.