Home / 19,141.16-26,412.45-11,177.60

Finding the Fourth Proportional to 19,141.16, 26,412.45 and 11,177.60

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Solution

The fourth proportional to 19,141.16, 26,412.45 and 11,177.60 is: 15,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.16 : 26,412.45 = 11,177.60 : x
  2. Step 2: Convert to fraction form
    19,141.16/26,412.45 = 11,177.60/x
  3. Step 3: Cross multiply
    19,141.16x = 26,412.45 × 11,177.60
  4. Step 4: Simplify right side
    19,141.16x = 295,227,801.12
  5. Step 5: Solve for x
    x = 295,227,801.12/19,141.16
  6. Step 6: Final answer
    x = 15,423.72

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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.