Home / 25,628.40-38,445.35-10,838.82

Finding the Fourth Proportional to 25,628.40, 38,445.35 and 10,838.82

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Solution

The fourth proportional to 25,628.40, 38,445.35 and 10,838.82 is: 16,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.40 : 38,445.35 = 10,838.82 : x
  2. Step 2: Convert to fraction form
    25,628.40/38,445.35 = 10,838.82/x
  3. Step 3: Cross multiply
    25,628.40x = 38,445.35 × 10,838.82
  4. Step 4: Simplify right side
    25,628.40x = 416,702,174.29
  5. Step 5: Solve for x
    x = 416,702,174.29/25,628.40
  6. Step 6: Final answer
    x = 16,259.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.