Home / 19,488.96-29,192.04-18,806.94

Finding the Fourth Proportional to 19,488.96, 29,192.04 and 18,806.94

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Solution

The fourth proportional to 19,488.96, 29,192.04 and 18,806.94 is: 28,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.96 : 29,192.04 = 18,806.94 : x
  2. Step 2: Convert to fraction form
    19,488.96/29,192.04 = 18,806.94/x
  3. Step 3: Cross multiply
    19,488.96x = 29,192.04 × 18,806.94
  4. Step 4: Simplify right side
    19,488.96x = 549,012,944.76
  5. Step 5: Solve for x
    x = 549,012,944.76/19,488.96
  6. Step 6: Final answer
    x = 28,170.46

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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.