Home / 14,182.05-19,570.91-8,879.79

Finding the Fourth Proportional to 14,182.05, 19,570.91 and 8,879.79

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Solution

The fourth proportional to 14,182.05, 19,570.91 and 8,879.79 is: 12,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.05 : 19,570.91 = 8,879.79 : x
  2. Step 2: Convert to fraction form
    14,182.05/19,570.91 = 8,879.79/x
  3. Step 3: Cross multiply
    14,182.05x = 19,570.91 × 8,879.79
  4. Step 4: Simplify right side
    14,182.05x = 173,785,526.51
  5. Step 5: Solve for x
    x = 173,785,526.51/14,182.05
  6. Step 6: Final answer
    x = 12,253.91

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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.