Home / 16,308.64-22,509.42-9,937.30

Finding the Fourth Proportional to 16,308.64, 22,509.42 and 9,937.30

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Solution

The fourth proportional to 16,308.64, 22,509.42 and 9,937.30 is: 13,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,308.64 : 22,509.42 = 9,937.30 : x
  2. Step 2: Convert to fraction form
    16,308.64/22,509.42 = 9,937.30/x
  3. Step 3: Cross multiply
    16,308.64x = 22,509.42 × 9,937.30
  4. Step 4: Simplify right side
    16,308.64x = 223,682,859.37
  5. Step 5: Solve for x
    x = 223,682,859.37/16,308.64
  6. Step 6: Final answer
    x = 13,715.60

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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.