Home / 14,181.60-19,570.68-7,808.84

Finding the Fourth Proportional to 14,181.60, 19,570.68 and 7,808.84

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Solution

The fourth proportional to 14,181.60, 19,570.68 and 7,808.84 is: 10,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.60 : 19,570.68 = 7,808.84 : x
  2. Step 2: Convert to fraction form
    14,181.60/19,570.68 = 7,808.84/x
  3. Step 3: Cross multiply
    14,181.60x = 19,570.68 × 7,808.84
  4. Step 4: Simplify right side
    14,181.60x = 152,824,308.81
  5. Step 5: Solve for x
    x = 152,824,308.81/14,181.60
  6. Step 6: Final answer
    x = 10,776.24

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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.