Home / 19,196.10-26,486.01-10,812.60

Finding the Fourth Proportional to 19,196.10, 26,486.01 and 10,812.60

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Solution

The fourth proportional to 19,196.10, 26,486.01 and 10,812.60 is: 14,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.10 : 26,486.01 = 10,812.60 : x
  2. Step 2: Convert to fraction form
    19,196.10/26,486.01 = 10,812.60/x
  3. Step 3: Cross multiply
    19,196.10x = 26,486.01 × 10,812.60
  4. Step 4: Simplify right side
    19,196.10x = 286,382,631.73
  5. Step 5: Solve for x
    x = 286,382,631.73/19,196.10
  6. Step 6: Final answer
    x = 14,918.79

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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.