Home / 14,803.17-20,428.14-8,088.66

Finding the Fourth Proportional to 14,803.17, 20,428.14 and 8,088.66

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Solution

The fourth proportional to 14,803.17, 20,428.14 and 8,088.66 is: 11,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.17 : 20,428.14 = 8,088.66 : x
  2. Step 2: Convert to fraction form
    14,803.17/20,428.14 = 8,088.66/x
  3. Step 3: Cross multiply
    14,803.17x = 20,428.14 × 8,088.66
  4. Step 4: Simplify right side
    14,803.17x = 165,236,136.31
  5. Step 5: Solve for x
    x = 165,236,136.31/14,803.17
  6. Step 6: Final answer
    x = 11,162.21

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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.