Home / 22,535.21-31,109.47-14,994.11

Finding the Fourth Proportional to 22,535.21, 31,109.47 and 14,994.11

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Solution

The fourth proportional to 22,535.21, 31,109.47 and 14,994.11 is: 20,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,535.21 : 31,109.47 = 14,994.11 : x
  2. Step 2: Convert to fraction form
    22,535.21/31,109.47 = 14,994.11/x
  3. Step 3: Cross multiply
    22,535.21x = 31,109.47 × 14,994.11
  4. Step 4: Simplify right side
    22,535.21x = 466,458,855.51
  5. Step 5: Solve for x
    x = 466,458,855.51/22,535.21
  6. Step 6: Final answer
    x = 20,699.11

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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.