Home / 22,929.12-31,628.73-14,417.75

Finding the Fourth Proportional to 22,929.12, 31,628.73 and 14,417.75

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Solution

The fourth proportional to 22,929.12, 31,628.73 and 14,417.75 is: 19,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.12 : 31,628.73 = 14,417.75 : x
  2. Step 2: Convert to fraction form
    22,929.12/31,628.73 = 14,417.75/x
  3. Step 3: Cross multiply
    22,929.12x = 31,628.73 × 14,417.75
  4. Step 4: Simplify right side
    22,929.12x = 456,015,121.96
  5. Step 5: Solve for x
    x = 456,015,121.96/22,929.12
  6. Step 6: Final answer
    x = 19,888.03

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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.