Home / 25,298.51-34,911.78-13,968.71

Finding the Fourth Proportional to 25,298.51, 34,911.78 and 13,968.71

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Solution

The fourth proportional to 25,298.51, 34,911.78 and 13,968.71 is: 19,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.51 : 34,911.78 = 13,968.71 : x
  2. Step 2: Convert to fraction form
    25,298.51/34,911.78 = 13,968.71/x
  3. Step 3: Cross multiply
    25,298.51x = 34,911.78 × 13,968.71
  4. Step 4: Simplify right side
    25,298.51x = 487,672,355.84
  5. Step 5: Solve for x
    x = 487,672,355.84/25,298.51
  6. Step 6: Final answer
    x = 19,276.73

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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.