Home / 22,312.74-30,788.28-14,365.68

Finding the Fourth Proportional to 22,312.74, 30,788.28 and 14,365.68

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Solution

The fourth proportional to 22,312.74, 30,788.28 and 14,365.68 is: 19,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.74 : 30,788.28 = 14,365.68 : x
  2. Step 2: Convert to fraction form
    22,312.74/30,788.28 = 14,365.68/x
  3. Step 3: Cross multiply
    22,312.74x = 30,788.28 × 14,365.68
  4. Step 4: Simplify right side
    22,312.74x = 442,294,578.23
  5. Step 5: Solve for x
    x = 442,294,578.23/22,312.74
  6. Step 6: Final answer
    x = 19,822.51

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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.