Home / 23,288.38-32,137.96-12,678.01

Finding the Fourth Proportional to 23,288.38, 32,137.96 and 12,678.01

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Solution

The fourth proportional to 23,288.38, 32,137.96 and 12,678.01 is: 17,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.38 : 32,137.96 = 12,678.01 : x
  2. Step 2: Convert to fraction form
    23,288.38/32,137.96 = 12,678.01/x
  3. Step 3: Cross multiply
    23,288.38x = 32,137.96 × 12,678.01
  4. Step 4: Simplify right side
    23,288.38x = 407,445,386.74
  5. Step 5: Solve for x
    x = 407,445,386.74/23,288.38
  6. Step 6: Final answer
    x = 17,495.65

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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.