Home / 16,129.58-22,255.18-9,055.53

Finding the Fourth Proportional to 16,129.58, 22,255.18 and 9,055.53

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Solution

The fourth proportional to 16,129.58, 22,255.18 and 9,055.53 is: 12,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.58 : 22,255.18 = 9,055.53 : x
  2. Step 2: Convert to fraction form
    16,129.58/22,255.18 = 9,055.53/x
  3. Step 3: Cross multiply
    16,129.58x = 22,255.18 × 9,055.53
  4. Step 4: Simplify right side
    16,129.58x = 201,532,427.51
  5. Step 5: Solve for x
    x = 201,532,427.51/16,129.58
  6. Step 6: Final answer
    x = 12,494.59

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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.