Home / 19,611.04-29,416.50-7,924.12

Finding the Fourth Proportional to 19,611.04, 29,416.50 and 7,924.12

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Solution

The fourth proportional to 19,611.04, 29,416.50 and 7,924.12 is: 11,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.04 : 29,416.50 = 7,924.12 : x
  2. Step 2: Convert to fraction form
    19,611.04/29,416.50 = 7,924.12/x
  3. Step 3: Cross multiply
    19,611.04x = 29,416.50 × 7,924.12
  4. Step 4: Simplify right side
    19,611.04x = 233,099,875.98
  5. Step 5: Solve for x
    x = 233,099,875.98/19,611.04
  6. Step 6: Final answer
    x = 11,886.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.