Home / 14,682.65-20,271.81-8,716.23

Finding the Fourth Proportional to 14,682.65, 20,271.81 and 8,716.23

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Solution

The fourth proportional to 14,682.65, 20,271.81 and 8,716.23 is: 12,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.65 : 20,271.81 = 8,716.23 : x
  2. Step 2: Convert to fraction form
    14,682.65/20,271.81 = 8,716.23/x
  3. Step 3: Cross multiply
    14,682.65x = 20,271.81 × 8,716.23
  4. Step 4: Simplify right side
    14,682.65x = 176,693,809.16
  5. Step 5: Solve for x
    x = 176,693,809.16/14,682.65
  6. Step 6: Final answer
    x = 12,034.19

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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.