Home / 26,483.76-39,715.26-9,612.78

Finding the Fourth Proportional to 26,483.76, 39,715.26 and 9,612.78

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Solution

The fourth proportional to 26,483.76, 39,715.26 and 9,612.78 is: 14,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.76 : 39,715.26 = 9,612.78 : x
  2. Step 2: Convert to fraction form
    26,483.76/39,715.26 = 9,612.78/x
  3. Step 3: Cross multiply
    26,483.76x = 39,715.26 × 9,612.78
  4. Step 4: Simplify right side
    26,483.76x = 381,774,057.02
  5. Step 5: Solve for x
    x = 381,774,057.02/26,483.76
  6. Step 6: Final answer
    x = 14,415.40

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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.