Home / 22,443.43-30,970.51-12,371.32

Finding the Fourth Proportional to 22,443.43, 30,970.51 and 12,371.32

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Solution

The fourth proportional to 22,443.43, 30,970.51 and 12,371.32 is: 17,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,443.43 : 30,970.51 = 12,371.32 : x
  2. Step 2: Convert to fraction form
    22,443.43/30,970.51 = 12,371.32/x
  3. Step 3: Cross multiply
    22,443.43x = 30,970.51 × 12,371.32
  4. Step 4: Simplify right side
    22,443.43x = 383,146,089.77
  5. Step 5: Solve for x
    x = 383,146,089.77/22,443.43
  6. Step 6: Final answer
    x = 17,071.64

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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.