Home / 21,246.84-29,322.27-11,816.01

Finding the Fourth Proportional to 21,246.84, 29,322.27 and 11,816.01

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Solution

The fourth proportional to 21,246.84, 29,322.27 and 11,816.01 is: 16,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.84 : 29,322.27 = 11,816.01 : x
  2. Step 2: Convert to fraction form
    21,246.84/29,322.27 = 11,816.01/x
  3. Step 3: Cross multiply
    21,246.84x = 29,322.27 × 11,816.01
  4. Step 4: Simplify right side
    21,246.84x = 346,472,235.54
  5. Step 5: Solve for x
    x = 346,472,235.54/21,246.84
  6. Step 6: Final answer
    x = 16,307.00

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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.