Home / 19,078.08-26,331.08-11,010.32

Finding the Fourth Proportional to 19,078.08, 26,331.08 and 11,010.32

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Solution

The fourth proportional to 19,078.08, 26,331.08 and 11,010.32 is: 15,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.08 : 26,331.08 = 11,010.32 : x
  2. Step 2: Convert to fraction form
    19,078.08/26,331.08 = 11,010.32/x
  3. Step 3: Cross multiply
    19,078.08x = 26,331.08 × 11,010.32
  4. Step 4: Simplify right side
    19,078.08x = 289,913,616.75
  5. Step 5: Solve for x
    x = 289,913,616.75/19,078.08
  6. Step 6: Final answer
    x = 15,196.16

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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.