Home / 14,864.40-20,513.06-8,150.01

Finding the Fourth Proportional to 14,864.40, 20,513.06 and 8,150.01

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Solution

The fourth proportional to 14,864.40, 20,513.06 and 8,150.01 is: 11,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.40 : 20,513.06 = 8,150.01 : x
  2. Step 2: Convert to fraction form
    14,864.40/20,513.06 = 8,150.01/x
  3. Step 3: Cross multiply
    14,864.40x = 20,513.06 × 8,150.01
  4. Step 4: Simplify right side
    14,864.40x = 167,181,644.13
  5. Step 5: Solve for x
    x = 167,181,644.13/14,864.40
  6. Step 6: Final answer
    x = 11,247.12

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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.