Home / 22,782.04-31,442.68-13,827.82

Finding the Fourth Proportional to 22,782.04, 31,442.68 and 13,827.82

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Solution

The fourth proportional to 22,782.04, 31,442.68 and 13,827.82 is: 19,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.04 : 31,442.68 = 13,827.82 : x
  2. Step 2: Convert to fraction form
    22,782.04/31,442.68 = 13,827.82/x
  3. Step 3: Cross multiply
    22,782.04x = 31,442.68 × 13,827.82
  4. Step 4: Simplify right side
    22,782.04x = 434,783,719.36
  5. Step 5: Solve for x
    x = 434,783,719.36/22,782.04
  6. Step 6: Final answer
    x = 19,084.49

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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.