Home / 22,653.83-31,225.93-15,383.66

Finding the Fourth Proportional to 22,653.83, 31,225.93 and 15,383.66

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Solution

The fourth proportional to 22,653.83, 31,225.93 and 15,383.66 is: 21,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.83 : 31,225.93 = 15,383.66 : x
  2. Step 2: Convert to fraction form
    22,653.83/31,225.93 = 15,383.66/x
  3. Step 3: Cross multiply
    22,653.83x = 31,225.93 × 15,383.66
  4. Step 4: Simplify right side
    22,653.83x = 480,368,895.72
  5. Step 5: Solve for x
    x = 480,368,895.72/22,653.83
  6. Step 6: Final answer
    x = 21,204.75

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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.