Home / 22,322.28-30,805.71-13,368.07

Finding the Fourth Proportional to 22,322.28, 30,805.71 and 13,368.07

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Solution

The fourth proportional to 22,322.28, 30,805.71 and 13,368.07 is: 18,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.28 : 30,805.71 = 13,368.07 : x
  2. Step 2: Convert to fraction form
    22,322.28/30,805.71 = 13,368.07/x
  3. Step 3: Cross multiply
    22,322.28x = 30,805.71 × 13,368.07
  4. Step 4: Simplify right side
    22,322.28x = 411,812,887.68
  5. Step 5: Solve for x
    x = 411,812,887.68/22,322.28
  6. Step 6: Final answer
    x = 18,448.51

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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.