Home / 25,117.28-34,624.86-19,138.60

Finding the Fourth Proportional to 25,117.28, 34,624.86 and 19,138.60

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Solution

The fourth proportional to 25,117.28, 34,624.86 and 19,138.60 is: 26,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.28 : 34,624.86 = 19,138.60 : x
  2. Step 2: Convert to fraction form
    25,117.28/34,624.86 = 19,138.60/x
  3. Step 3: Cross multiply
    25,117.28x = 34,624.86 × 19,138.60
  4. Step 4: Simplify right side
    25,117.28x = 662,671,345.60
  5. Step 5: Solve for x
    x = 662,671,345.60/25,117.28
  6. Step 6: Final answer
    x = 26,383.09

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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.