Home / 15,380.74-21,226.53-11,597.23

Finding the Fourth Proportional to 15,380.74, 21,226.53 and 11,597.23

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Solution

The fourth proportional to 15,380.74, 21,226.53 and 11,597.23 is: 16,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.74 : 21,226.53 = 11,597.23 : x
  2. Step 2: Convert to fraction form
    15,380.74/21,226.53 = 11,597.23/x
  3. Step 3: Cross multiply
    15,380.74x = 21,226.53 × 11,597.23
  4. Step 4: Simplify right side
    15,380.74x = 246,168,950.51
  5. Step 5: Solve for x
    x = 246,168,950.51/15,380.74
  6. Step 6: Final answer
    x = 16,005.01

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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.