Home / 26,457.30-36,511.20-14,520.78

Finding the Fourth Proportional to 26,457.30, 36,511.20 and 14,520.78

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Solution

The fourth proportional to 26,457.30, 36,511.20 and 14,520.78 is: 20,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.30 : 36,511.20 = 14,520.78 : x
  2. Step 2: Convert to fraction form
    26,457.30/36,511.20 = 14,520.78/x
  3. Step 3: Cross multiply
    26,457.30x = 36,511.20 × 14,520.78
  4. Step 4: Simplify right side
    26,457.30x = 530,171,102.74
  5. Step 5: Solve for x
    x = 530,171,102.74/26,457.30
  6. Step 6: Final answer
    x = 20,038.75

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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.