Home / 19,356.54-26,710.68-11,397.08

Finding the Fourth Proportional to 19,356.54, 26,710.68 and 11,397.08

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Solution

The fourth proportional to 19,356.54, 26,710.68 and 11,397.08 is: 15,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.54 : 26,710.68 = 11,397.08 : x
  2. Step 2: Convert to fraction form
    19,356.54/26,710.68 = 11,397.08/x
  3. Step 3: Cross multiply
    19,356.54x = 26,710.68 × 11,397.08
  4. Step 4: Simplify right side
    19,356.54x = 304,423,756.81
  5. Step 5: Solve for x
    x = 304,423,756.81/19,356.54
  6. Step 6: Final answer
    x = 15,727.18

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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.