Home / 14,807.75-20,444.01-9,511.79

Finding the Fourth Proportional to 14,807.75, 20,444.01 and 9,511.79

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Solution

The fourth proportional to 14,807.75, 20,444.01 and 9,511.79 is: 13,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.75 : 20,444.01 = 9,511.79 : x
  2. Step 2: Convert to fraction form
    14,807.75/20,444.01 = 9,511.79/x
  3. Step 3: Cross multiply
    14,807.75x = 20,444.01 × 9,511.79
  4. Step 4: Simplify right side
    14,807.75x = 194,459,129.88
  5. Step 5: Solve for x
    x = 194,459,129.88/14,807.75
  6. Step 6: Final answer
    x = 13,132.25

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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.