Home / 14,776.02-20,390.81-8,061.66

Finding the Fourth Proportional to 14,776.02, 20,390.81 and 8,061.66

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Solution

The fourth proportional to 14,776.02, 20,390.81 and 8,061.66 is: 11,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.02 : 20,390.81 = 8,061.66 : x
  2. Step 2: Convert to fraction form
    14,776.02/20,390.81 = 8,061.66/x
  3. Step 3: Cross multiply
    14,776.02x = 20,390.81 × 8,061.66
  4. Step 4: Simplify right side
    14,776.02x = 164,383,737.04
  5. Step 5: Solve for x
    x = 164,383,737.04/14,776.02
  6. Step 6: Final answer
    x = 11,125.03

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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.