Home / 15,695.08-21,639.54-11,496.04

Finding the Fourth Proportional to 15,695.08, 21,639.54 and 11,496.04

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Solution

The fourth proportional to 15,695.08, 21,639.54 and 11,496.04 is: 15,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.08 : 21,639.54 = 11,496.04 : x
  2. Step 2: Convert to fraction form
    15,695.08/21,639.54 = 11,496.04/x
  3. Step 3: Cross multiply
    15,695.08x = 21,639.54 × 11,496.04
  4. Step 4: Simplify right side
    15,695.08x = 248,769,017.42
  5. Step 5: Solve for x
    x = 248,769,017.42/15,695.08
  6. Step 6: Final answer
    x = 15,850.13

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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.