Home / 19,363.40-26,721.51-10,864.35

Finding the Fourth Proportional to 19,363.40, 26,721.51 and 10,864.35

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Solution

The fourth proportional to 19,363.40, 26,721.51 and 10,864.35 is: 14,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.40 : 26,721.51 = 10,864.35 : x
  2. Step 2: Convert to fraction form
    19,363.40/26,721.51 = 10,864.35/x
  3. Step 3: Cross multiply
    19,363.40x = 26,721.51 × 10,864.35
  4. Step 4: Simplify right side
    19,363.40x = 290,311,796.43
  5. Step 5: Solve for x
    x = 290,311,796.43/19,363.40
  6. Step 6: Final answer
    x = 14,992.81

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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.