Home / 14,325.12-19,775.34-11,700.72

Finding the Fourth Proportional to 14,325.12, 19,775.34 and 11,700.72

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Solution

The fourth proportional to 14,325.12, 19,775.34 and 11,700.72 is: 16,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.12 : 19,775.34 = 11,700.72 : x
  2. Step 2: Convert to fraction form
    14,325.12/19,775.34 = 11,700.72/x
  3. Step 3: Cross multiply
    14,325.12x = 19,775.34 × 11,700.72
  4. Step 4: Simplify right side
    14,325.12x = 231,385,716.24
  5. Step 5: Solve for x
    x = 231,385,716.24/14,325.12
  6. Step 6: Final answer
    x = 16,152.45

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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.