Home / 14,681.08-20,259.79-7,966.54

Finding the Fourth Proportional to 14,681.08, 20,259.79 and 7,966.54

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Solution

The fourth proportional to 14,681.08, 20,259.79 and 7,966.54 is: 10,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.08 : 20,259.79 = 7,966.54 : x
  2. Step 2: Convert to fraction form
    14,681.08/20,259.79 = 7,966.54/x
  3. Step 3: Cross multiply
    14,681.08x = 20,259.79 × 7,966.54
  4. Step 4: Simplify right side
    14,681.08x = 161,400,356.86
  5. Step 5: Solve for x
    x = 161,400,356.86/14,681.08
  6. Step 6: Final answer
    x = 10,993.76

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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.