Home / 17,531.48-26,288.16-6,435.32

Finding the Fourth Proportional to 17,531.48, 26,288.16 and 6,435.32

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Solution

The fourth proportional to 17,531.48, 26,288.16 and 6,435.32 is: 9,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.48 : 26,288.16 = 6,435.32 : x
  2. Step 2: Convert to fraction form
    17,531.48/26,288.16 = 6,435.32/x
  3. Step 3: Cross multiply
    17,531.48x = 26,288.16 × 6,435.32
  4. Step 4: Simplify right side
    17,531.48x = 169,172,721.81
  5. Step 5: Solve for x
    x = 169,172,721.81/17,531.48
  6. Step 6: Final answer
    x = 9,649.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.