Home / 19,097.89-28,646.73-10,388.16

Finding the Fourth Proportional to 19,097.89, 28,646.73 and 10,388.16

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Solution

The fourth proportional to 19,097.89, 28,646.73 and 10,388.16 is: 15,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.89 : 28,646.73 = 10,388.16 : x
  2. Step 2: Convert to fraction form
    19,097.89/28,646.73 = 10,388.16/x
  3. Step 3: Cross multiply
    19,097.89x = 28,646.73 × 10,388.16
  4. Step 4: Simplify right side
    19,097.89x = 297,586,814.72
  5. Step 5: Solve for x
    x = 297,586,814.72/19,097.89
  6. Step 6: Final answer
    x = 15,582.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.