Home / 14,439.29-19,926.27-8,471.07

Finding the Fourth Proportional to 14,439.29, 19,926.27 and 8,471.07

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Solution

The fourth proportional to 14,439.29, 19,926.27 and 8,471.07 is: 11,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.29 : 19,926.27 = 8,471.07 : x
  2. Step 2: Convert to fraction form
    14,439.29/19,926.27 = 8,471.07/x
  3. Step 3: Cross multiply
    14,439.29x = 19,926.27 × 8,471.07
  4. Step 4: Simplify right side
    14,439.29x = 168,796,828.01
  5. Step 5: Solve for x
    x = 168,796,828.01/14,439.29
  6. Step 6: Final answer
    x = 11,690.11

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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.