Home / 22,663.64-31,273.98-12,590.84

Finding the Fourth Proportional to 22,663.64, 31,273.98 and 12,590.84

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Solution

The fourth proportional to 22,663.64, 31,273.98 and 12,590.84 is: 17,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.64 : 31,273.98 = 12,590.84 : x
  2. Step 2: Convert to fraction form
    22,663.64/31,273.98 = 12,590.84/x
  3. Step 3: Cross multiply
    22,663.64x = 31,273.98 × 12,590.84
  4. Step 4: Simplify right side
    22,663.64x = 393,765,678.34
  5. Step 5: Solve for x
    x = 393,765,678.34/22,663.64
  6. Step 6: Final answer
    x = 17,374.34

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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.