Home / 19,171.08-26,449.34-11,210.40

Finding the Fourth Proportional to 19,171.08, 26,449.34 and 11,210.40

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Solution

The fourth proportional to 19,171.08, 26,449.34 and 11,210.40 is: 15,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.08 : 26,449.34 = 11,210.40 : x
  2. Step 2: Convert to fraction form
    19,171.08/26,449.34 = 11,210.40/x
  3. Step 3: Cross multiply
    19,171.08x = 26,449.34 × 11,210.40
  4. Step 4: Simplify right side
    19,171.08x = 296,507,625.08
  5. Step 5: Solve for x
    x = 296,507,625.08/19,171.08
  6. Step 6: Final answer
    x = 15,466.40

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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.