Home / 10,025.90-15,039.76-2,630.24

Finding the Fourth Proportional to 10,025.90, 15,039.76 and 2,630.24

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Solution

The fourth proportional to 10,025.90, 15,039.76 and 2,630.24 is: 3,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.90 : 15,039.76 = 2,630.24 : x
  2. Step 2: Convert to fraction form
    10,025.90/15,039.76 = 2,630.24/x
  3. Step 3: Cross multiply
    10,025.90x = 15,039.76 × 2,630.24
  4. Step 4: Simplify right side
    10,025.90x = 39,558,178.34
  5. Step 5: Solve for x
    x = 39,558,178.34/10,025.90
  6. Step 6: Final answer
    x = 3,945.60

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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.