Home / 14,873.34-20,525.49-8,158.57

Finding the Fourth Proportional to 14,873.34, 20,525.49 and 8,158.57

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Solution

The fourth proportional to 14,873.34, 20,525.49 and 8,158.57 is: 11,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.34 : 20,525.49 = 8,158.57 : x
  2. Step 2: Convert to fraction form
    14,873.34/20,525.49 = 8,158.57/x
  3. Step 3: Cross multiply
    14,873.34x = 20,525.49 × 8,158.57
  4. Step 4: Simplify right side
    14,873.34x = 167,458,646.95
  5. Step 5: Solve for x
    x = 167,458,646.95/14,873.34
  6. Step 6: Final answer
    x = 11,258.98

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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.