Home / 25,315.22-34,935.30-13,984.49

Finding the Fourth Proportional to 25,315.22, 34,935.30 and 13,984.49

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Solution

The fourth proportional to 25,315.22, 34,935.30 and 13,984.49 is: 19,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.22 : 34,935.30 = 13,984.49 : x
  2. Step 2: Convert to fraction form
    25,315.22/34,935.30 = 13,984.49/x
  3. Step 3: Cross multiply
    25,315.22x = 34,935.30 × 13,984.49
  4. Step 4: Simplify right side
    25,315.22x = 488,552,178.82
  5. Step 5: Solve for x
    x = 488,552,178.82/25,315.22
  6. Step 6: Final answer
    x = 19,298.75

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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.