Home / 19,176.16-28,727.38-13,827.76

Finding the Fourth Proportional to 19,176.16, 28,727.38 and 13,827.76

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Solution

The fourth proportional to 19,176.16, 28,727.38 and 13,827.76 is: 20,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.16 : 28,727.38 = 13,827.76 : x
  2. Step 2: Convert to fraction form
    19,176.16/28,727.38 = 13,827.76/x
  3. Step 3: Cross multiply
    19,176.16x = 28,727.38 × 13,827.76
  4. Step 4: Simplify right side
    19,176.16x = 397,235,316.07
  5. Step 5: Solve for x
    x = 397,235,316.07/19,176.16
  6. Step 6: Final answer
    x = 20,715.06

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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.