Home / 19,269.27-26,582.04-15,012.72

Finding the Fourth Proportional to 19,269.27, 26,582.04 and 15,012.72

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Solution

The fourth proportional to 19,269.27, 26,582.04 and 15,012.72 is: 20,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.27 : 26,582.04 = 15,012.72 : x
  2. Step 2: Convert to fraction form
    19,269.27/26,582.04 = 15,012.72/x
  3. Step 3: Cross multiply
    19,269.27x = 26,582.04 × 15,012.72
  4. Step 4: Simplify right side
    19,269.27x = 399,068,723.55
  5. Step 5: Solve for x
    x = 399,068,723.55/19,269.27
  6. Step 6: Final answer
    x = 20,710.11

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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.