Home / 14,288.23-19,718.03-8,551.58

Finding the Fourth Proportional to 14,288.23, 19,718.03 and 8,551.58

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Solution

The fourth proportional to 14,288.23, 19,718.03 and 8,551.58 is: 11,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.23 : 19,718.03 = 8,551.58 : x
  2. Step 2: Convert to fraction form
    14,288.23/19,718.03 = 8,551.58/x
  3. Step 3: Cross multiply
    14,288.23x = 19,718.03 × 8,551.58
  4. Step 4: Simplify right side
    14,288.23x = 168,620,317.52
  5. Step 5: Solve for x
    x = 168,620,317.52/14,288.23
  6. Step 6: Final answer
    x = 11,801.35

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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.