Home / 18,569.79-27,856.29-6,089.77

Finding the Fourth Proportional to 18,569.79, 27,856.29 and 6,089.77

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Solution

The fourth proportional to 18,569.79, 27,856.29 and 6,089.77 is: 9,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.79 : 27,856.29 = 6,089.77 : x
  2. Step 2: Convert to fraction form
    18,569.79/27,856.29 = 6,089.77/x
  3. Step 3: Cross multiply
    18,569.79x = 27,856.29 × 6,089.77
  4. Step 4: Simplify right side
    18,569.79x = 169,638,399.15
  5. Step 5: Solve for x
    x = 169,638,399.15/18,569.79
  6. Step 6: Final answer
    x = 9,135.18

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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.