Home / 18,871.04-26,044.49-12,176.14

Finding the Fourth Proportional to 18,871.04, 26,044.49 and 12,176.14

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Solution

The fourth proportional to 18,871.04, 26,044.49 and 12,176.14 is: 16,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871.04 : 26,044.49 = 12,176.14 : x
  2. Step 2: Convert to fraction form
    18,871.04/26,044.49 = 12,176.14/x
  3. Step 3: Cross multiply
    18,871.04x = 26,044.49 × 12,176.14
  4. Step 4: Simplify right side
    18,871.04x = 317,121,434.13
  5. Step 5: Solve for x
    x = 317,121,434.13/18,871.04
  6. Step 6: Final answer
    x = 16,804.66

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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.