Home / 14,599.93-20,148.05-8,312.71

Finding the Fourth Proportional to 14,599.93, 20,148.05 and 8,312.71

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Solution

The fourth proportional to 14,599.93, 20,148.05 and 8,312.71 is: 11,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.93 : 20,148.05 = 8,312.71 : x
  2. Step 2: Convert to fraction form
    14,599.93/20,148.05 = 8,312.71/x
  3. Step 3: Cross multiply
    14,599.93x = 20,148.05 × 8,312.71
  4. Step 4: Simplify right side
    14,599.93x = 167,484,896.72
  5. Step 5: Solve for x
    x = 167,484,896.72/14,599.93
  6. Step 6: Final answer
    x = 11,471.62

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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.