Home / 15,525.04-21,383.75-11,933.13

Finding the Fourth Proportional to 15,525.04, 21,383.75 and 11,933.13

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Solution

The fourth proportional to 15,525.04, 21,383.75 and 11,933.13 is: 16,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.04 : 21,383.75 = 11,933.13 : x
  2. Step 2: Convert to fraction form
    15,525.04/21,383.75 = 11,933.13/x
  3. Step 3: Cross multiply
    15,525.04x = 21,383.75 × 11,933.13
  4. Step 4: Simplify right side
    15,525.04x = 255,175,068.64
  5. Step 5: Solve for x
    x = 255,175,068.64/15,525.04
  6. Step 6: Final answer
    x = 16,436.35

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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.