Home / 26,651.60-36,779.20-14,715.76

Finding the Fourth Proportional to 26,651.60, 36,779.20 and 14,715.76

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Solution

The fourth proportional to 26,651.60, 36,779.20 and 14,715.76 is: 20,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.60 : 36,779.20 = 14,715.76 : x
  2. Step 2: Convert to fraction form
    26,651.60/36,779.20 = 14,715.76/x
  3. Step 3: Cross multiply
    26,651.60x = 36,779.20 × 14,715.76
  4. Step 4: Simplify right side
    26,651.60x = 541,233,880.19
  5. Step 5: Solve for x
    x = 541,233,880.19/26,651.60
  6. Step 6: Final answer
    x = 20,307.74

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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.