Home / 25,439.30-35,109.84-14,111.32

Finding the Fourth Proportional to 25,439.30, 35,109.84 and 14,111.32

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Solution

The fourth proportional to 25,439.30, 35,109.84 and 14,111.32 is: 19,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.30 : 35,109.84 = 14,111.32 : x
  2. Step 2: Convert to fraction form
    25,439.30/35,109.84 = 14,111.32/x
  3. Step 3: Cross multiply
    25,439.30x = 35,109.84 × 14,111.32
  4. Step 4: Simplify right side
    25,439.30x = 495,446,187.39
  5. Step 5: Solve for x
    x = 495,446,187.39/25,439.30
  6. Step 6: Final answer
    x = 19,475.62

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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.