Home / 19,901.05-27,462.87-10,826.13

Finding the Fourth Proportional to 19,901.05, 27,462.87 and 10,826.13

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Solution

The fourth proportional to 19,901.05, 27,462.87 and 10,826.13 is: 14,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.05 : 27,462.87 = 10,826.13 : x
  2. Step 2: Convert to fraction form
    19,901.05/27,462.87 = 10,826.13/x
  3. Step 3: Cross multiply
    19,901.05x = 27,462.87 × 10,826.13
  4. Step 4: Simplify right side
    19,901.05x = 297,316,600.79
  5. Step 5: Solve for x
    x = 297,316,600.79/19,901.05
  6. Step 6: Final answer
    x = 14,939.74

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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.