Home / 14,482.09-19,980.39-9,176.14

Finding the Fourth Proportional to 14,482.09, 19,980.39 and 9,176.14

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Solution

The fourth proportional to 14,482.09, 19,980.39 and 9,176.14 is: 12,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.09 : 19,980.39 = 9,176.14 : x
  2. Step 2: Convert to fraction form
    14,482.09/19,980.39 = 9,176.14/x
  3. Step 3: Cross multiply
    14,482.09x = 19,980.39 × 9,176.14
  4. Step 4: Simplify right side
    14,482.09x = 183,342,855.89
  5. Step 5: Solve for x
    x = 183,342,855.89/14,482.09
  6. Step 6: Final answer
    x = 12,659.97

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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.