Home / 19,585.79-27,081.54-19,269.26

Finding the Fourth Proportional to 19,585.79, 27,081.54 and 19,269.26

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Solution

The fourth proportional to 19,585.79, 27,081.54 and 19,269.26 is: 26,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.79 : 27,081.54 = 19,269.26 : x
  2. Step 2: Convert to fraction form
    19,585.79/27,081.54 = 19,269.26/x
  3. Step 3: Cross multiply
    19,585.79x = 27,081.54 × 19,269.26
  4. Step 4: Simplify right side
    19,585.79x = 521,841,235.46
  5. Step 5: Solve for x
    x = 521,841,235.46/19,585.79
  6. Step 6: Final answer
    x = 26,643.87

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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.