Home / 19,864.86-27,412.44-10,913.58

Finding the Fourth Proportional to 19,864.86, 27,412.44 and 10,913.58

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Solution

The fourth proportional to 19,864.86, 27,412.44 and 10,913.58 is: 15,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.86 : 27,412.44 = 10,913.58 : x
  2. Step 2: Convert to fraction form
    19,864.86/27,412.44 = 10,913.58/x
  3. Step 3: Cross multiply
    19,864.86x = 27,412.44 × 10,913.58
  4. Step 4: Simplify right side
    19,864.86x = 299,167,856.94
  5. Step 5: Solve for x
    x = 299,167,856.94/19,864.86
  6. Step 6: Final answer
    x = 15,060.15

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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.