Home / 14,216.07-19,618.13-8,554.12

Finding the Fourth Proportional to 14,216.07, 19,618.13 and 8,554.12

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Solution

The fourth proportional to 14,216.07, 19,618.13 and 8,554.12 is: 11,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.07 : 19,618.13 = 8,554.12 : x
  2. Step 2: Convert to fraction form
    14,216.07/19,618.13 = 8,554.12/x
  3. Step 3: Cross multiply
    14,216.07x = 19,618.13 × 8,554.12
  4. Step 4: Simplify right side
    14,216.07x = 167,815,740.10
  5. Step 5: Solve for x
    x = 167,815,740.10/14,216.07
  6. Step 6: Final answer
    x = 11,804.65

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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.