Home / 19,222.14-26,507.15-12,848.75

Finding the Fourth Proportional to 19,222.14, 26,507.15 and 12,848.75

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Solution

The fourth proportional to 19,222.14, 26,507.15 and 12,848.75 is: 17,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.14 : 26,507.15 = 12,848.75 : x
  2. Step 2: Convert to fraction form
    19,222.14/26,507.15 = 12,848.75/x
  3. Step 3: Cross multiply
    19,222.14x = 26,507.15 × 12,848.75
  4. Step 4: Simplify right side
    19,222.14x = 340,583,743.56
  5. Step 5: Solve for x
    x = 340,583,743.56/19,222.14
  6. Step 6: Final answer
    x = 17,718.31

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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.