Home / 19,115.06-26,378.36-10,616.72

Finding the Fourth Proportional to 19,115.06, 26,378.36 and 10,616.72

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Solution

The fourth proportional to 19,115.06, 26,378.36 and 10,616.72 is: 14,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.06 : 26,378.36 = 10,616.72 : x
  2. Step 2: Convert to fraction form
    19,115.06/26,378.36 = 10,616.72/x
  3. Step 3: Cross multiply
    19,115.06x = 26,378.36 × 10,616.72
  4. Step 4: Simplify right side
    19,115.06x = 280,051,662.18
  5. Step 5: Solve for x
    x = 280,051,662.18/19,115.06
  6. Step 6: Final answer
    x = 14,650.84

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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.