Home / 14,526.46-20,048.56-8,478.68

Finding the Fourth Proportional to 14,526.46, 20,048.56 and 8,478.68

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Solution

The fourth proportional to 14,526.46, 20,048.56 and 8,478.68 is: 11,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.46 : 20,048.56 = 8,478.68 : x
  2. Step 2: Convert to fraction form
    14,526.46/20,048.56 = 8,478.68/x
  3. Step 3: Cross multiply
    14,526.46x = 20,048.56 × 8,478.68
  4. Step 4: Simplify right side
    14,526.46x = 169,985,353.63
  5. Step 5: Solve for x
    x = 169,985,353.63/14,526.46
  6. Step 6: Final answer
    x = 11,701.78

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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.