Home / 23,288.70-32,137.54-12,678.10

Finding the Fourth Proportional to 23,288.70, 32,137.54 and 12,678.10

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Solution

The fourth proportional to 23,288.70, 32,137.54 and 12,678.10 is: 17,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.70 : 32,137.54 = 12,678.10 : x
  2. Step 2: Convert to fraction form
    23,288.70/32,137.54 = 12,678.10/x
  3. Step 3: Cross multiply
    23,288.70x = 32,137.54 × 12,678.10
  4. Step 4: Simplify right side
    23,288.70x = 407,442,945.87
  5. Step 5: Solve for x
    x = 407,442,945.87/23,288.70
  6. Step 6: Final answer
    x = 17,495.31

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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.