Home / 19,077.09-26,320.95-11,117.79

Finding the Fourth Proportional to 19,077.09, 26,320.95 and 11,117.79

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Solution

The fourth proportional to 19,077.09, 26,320.95 and 11,117.79 is: 15,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.09 : 26,320.95 = 11,117.79 : x
  2. Step 2: Convert to fraction form
    19,077.09/26,320.95 = 11,117.79/x
  3. Step 3: Cross multiply
    19,077.09x = 26,320.95 × 11,117.79
  4. Step 4: Simplify right side
    19,077.09x = 292,630,794.70
  5. Step 5: Solve for x
    x = 292,630,794.70/19,077.09
  6. Step 6: Final answer
    x = 15,339.39

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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.