Home / 25,341.41-34,971.28-13,856.36

Finding the Fourth Proportional to 25,341.41, 34,971.28 and 13,856.36

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Solution

The fourth proportional to 25,341.41, 34,971.28 and 13,856.36 is: 19,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.41 : 34,971.28 = 13,856.36 : x
  2. Step 2: Convert to fraction form
    25,341.41/34,971.28 = 13,856.36/x
  3. Step 3: Cross multiply
    25,341.41x = 34,971.28 × 13,856.36
  4. Step 4: Simplify right side
    25,341.41x = 484,574,435.84
  5. Step 5: Solve for x
    x = 484,574,435.84/25,341.41
  6. Step 6: Final answer
    x = 19,121.85

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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.