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Finding the Fourth Proportional to 19,159, 26,439.16 and 10,775.52

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Solution

The fourth proportional to 19,159, 26,439.16 and 10,775.52 is: 14,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159 : 26,439.16 = 10,775.52 : x
  2. Step 2: Convert to fraction form
    19,159/26,439.16 = 10,775.52/x
  3. Step 3: Cross multiply
    19,159x = 26,439.16 × 10,775.52
  4. Step 4: Simplify right side
    19,159x = 284,895,697.36
  5. Step 5: Solve for x
    x = 284,895,697.36/19,159
  6. Step 6: Final answer
    x = 14,870.07

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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.