Home / 19,683.36-29,530.53-8,591.04

Finding the Fourth Proportional to 19,683.36, 29,530.53 and 8,591.04

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Solution

The fourth proportional to 19,683.36, 29,530.53 and 8,591.04 is: 12,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.36 : 29,530.53 = 8,591.04 : x
  2. Step 2: Convert to fraction form
    19,683.36/29,530.53 = 8,591.04/x
  3. Step 3: Cross multiply
    19,683.36x = 29,530.53 × 8,591.04
  4. Step 4: Simplify right side
    19,683.36x = 253,697,964.45
  5. Step 5: Solve for x
    x = 253,697,964.45/19,683.36
  6. Step 6: Final answer
    x = 12,888.96

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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.