Home / 19,421.12-29,113.44-7,106.24

Finding the Fourth Proportional to 19,421.12, 29,113.44 and 7,106.24

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Solution

The fourth proportional to 19,421.12, 29,113.44 and 7,106.24 is: 10,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.12 : 29,113.44 = 7,106.24 : x
  2. Step 2: Convert to fraction form
    19,421.12/29,113.44 = 7,106.24/x
  3. Step 3: Cross multiply
    19,421.12x = 29,113.44 × 7,106.24
  4. Step 4: Simplify right side
    19,421.12x = 206,887,091.87
  5. Step 5: Solve for x
    x = 206,887,091.87/19,421.12
  6. Step 6: Final answer
    x = 10,652.69

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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.