Home / 23,509.64-32,443.36-12,899.36

Finding the Fourth Proportional to 23,509.64, 32,443.36 and 12,899.36

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Solution

The fourth proportional to 23,509.64, 32,443.36 and 12,899.36 is: 17,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,509.64 : 32,443.36 = 12,899.36 : x
  2. Step 2: Convert to fraction form
    23,509.64/32,443.36 = 12,899.36/x
  3. Step 3: Cross multiply
    23,509.64x = 32,443.36 × 12,899.36
  4. Step 4: Simplify right side
    23,509.64x = 418,498,580.25
  5. Step 5: Solve for x
    x = 418,498,580.25/23,509.64
  6. Step 6: Final answer
    x = 17,801.15

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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.