Home / 18,569.92-25,631.28-11,492.32

Finding the Fourth Proportional to 18,569.92, 25,631.28 and 11,492.32

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Solution

The fourth proportional to 18,569.92, 25,631.28 and 11,492.32 is: 15,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.92 : 25,631.28 = 11,492.32 : x
  2. Step 2: Convert to fraction form
    18,569.92/25,631.28 = 11,492.32/x
  3. Step 3: Cross multiply
    18,569.92x = 25,631.28 × 11,492.32
  4. Step 4: Simplify right side
    18,569.92x = 294,562,871.77
  5. Step 5: Solve for x
    x = 294,562,871.77/18,569.92
  6. Step 6: Final answer
    x = 15,862.37

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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.