Home / 18,598.29-25,653.15-11,528.21

Finding the Fourth Proportional to 18,598.29, 25,653.15 and 11,528.21

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Solution

The fourth proportional to 18,598.29, 25,653.15 and 11,528.21 is: 15,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.29 : 25,653.15 = 11,528.21 : x
  2. Step 2: Convert to fraction form
    18,598.29/25,653.15 = 11,528.21/x
  3. Step 3: Cross multiply
    18,598.29x = 25,653.15 × 11,528.21
  4. Step 4: Simplify right side
    18,598.29x = 295,734,772.10
  5. Step 5: Solve for x
    x = 295,734,772.10/18,598.29
  6. Step 6: Final answer
    x = 15,901.18

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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.