Home / 14,420.42-19,901.58-8,753.87

Finding the Fourth Proportional to 14,420.42, 19,901.58 and 8,753.87

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Solution

The fourth proportional to 14,420.42, 19,901.58 and 8,753.87 is: 12,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.42 : 19,901.58 = 8,753.87 : x
  2. Step 2: Convert to fraction form
    14,420.42/19,901.58 = 8,753.87/x
  3. Step 3: Cross multiply
    14,420.42x = 19,901.58 × 8,753.87
  4. Step 4: Simplify right side
    14,420.42x = 174,215,844.11
  5. Step 5: Solve for x
    x = 174,215,844.11/14,420.42
  6. Step 6: Final answer
    x = 12,081.19

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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.