Home / 16,247.16-22,421.05-9,173.58

Finding the Fourth Proportional to 16,247.16, 22,421.05 and 9,173.58

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Solution

The fourth proportional to 16,247.16, 22,421.05 and 9,173.58 is: 12,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.16 : 22,421.05 = 9,173.58 : x
  2. Step 2: Convert to fraction form
    16,247.16/22,421.05 = 9,173.58/x
  3. Step 3: Cross multiply
    16,247.16x = 22,421.05 × 9,173.58
  4. Step 4: Simplify right side
    16,247.16x = 205,681,303.51
  5. Step 5: Solve for x
    x = 205,681,303.51/16,247.16
  6. Step 6: Final answer
    x = 12,659.53

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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.