Home / 14,181.01-19,570.26-7,807.92

Finding the Fourth Proportional to 14,181.01, 19,570.26 and 7,807.92

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Solution

The fourth proportional to 14,181.01, 19,570.26 and 7,807.92 is: 10,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.01 : 19,570.26 = 7,807.92 : x
  2. Step 2: Convert to fraction form
    14,181.01/19,570.26 = 7,807.92/x
  3. Step 3: Cross multiply
    14,181.01x = 19,570.26 × 7,807.92
  4. Step 4: Simplify right side
    14,181.01x = 152,802,980.35
  5. Step 5: Solve for x
    x = 152,802,980.35/14,181.01
  6. Step 6: Final answer
    x = 10,775.19

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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.