Home / 18,750.45-25,875.69-10,252.44

Finding the Fourth Proportional to 18,750.45, 25,875.69 and 10,252.44

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Solution

The fourth proportional to 18,750.45, 25,875.69 and 10,252.44 is: 14,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.45 : 25,875.69 = 10,252.44 : x
  2. Step 2: Convert to fraction form
    18,750.45/25,875.69 = 10,252.44/x
  3. Step 3: Cross multiply
    18,750.45x = 25,875.69 × 10,252.44
  4. Step 4: Simplify right side
    18,750.45x = 265,288,959.18
  5. Step 5: Solve for x
    x = 265,288,959.18/18,750.45
  6. Step 6: Final answer
    x = 14,148.40

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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.