Home / 19,384.52-26,744.31-11,316.38

Finding the Fourth Proportional to 19,384.52, 26,744.31 and 11,316.38

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Solution

The fourth proportional to 19,384.52, 26,744.31 and 11,316.38 is: 15,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.52 : 26,744.31 = 11,316.38 : x
  2. Step 2: Convert to fraction form
    19,384.52/26,744.31 = 11,316.38/x
  3. Step 3: Cross multiply
    19,384.52x = 26,744.31 × 11,316.38
  4. Step 4: Simplify right side
    19,384.52x = 302,648,641.08
  5. Step 5: Solve for x
    x = 302,648,641.08/19,384.52
  6. Step 6: Final answer
    x = 15,612.91

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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.