Home / 22,891.08-31,578.54-14,403.72

Finding the Fourth Proportional to 22,891.08, 31,578.54 and 14,403.72

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Solution

The fourth proportional to 22,891.08, 31,578.54 and 14,403.72 is: 19,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.08 : 31,578.54 = 14,403.72 : x
  2. Step 2: Convert to fraction form
    22,891.08/31,578.54 = 14,403.72/x
  3. Step 3: Cross multiply
    22,891.08x = 31,578.54 × 14,403.72
  4. Step 4: Simplify right side
    22,891.08x = 454,848,448.17
  5. Step 5: Solve for x
    x = 454,848,448.17/22,891.08
  6. Step 6: Final answer
    x = 19,870.12

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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.