Home / 14,803.14-20,428.65-8,088.78

Finding the Fourth Proportional to 14,803.14, 20,428.65 and 8,088.78

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Solution

The fourth proportional to 14,803.14, 20,428.65 and 8,088.78 is: 11,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.14 : 20,428.65 = 8,088.78 : x
  2. Step 2: Convert to fraction form
    14,803.14/20,428.65 = 8,088.78/x
  3. Step 3: Cross multiply
    14,803.14x = 20,428.65 × 8,088.78
  4. Step 4: Simplify right side
    14,803.14x = 165,242,855.55
  5. Step 5: Solve for x
    x = 165,242,855.55/14,803.14
  6. Step 6: Final answer
    x = 11,162.69

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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.