Home / 19,439.08-29,111.10-9,053.80

Finding the Fourth Proportional to 19,439.08, 29,111.10 and 9,053.80

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Solution

The fourth proportional to 19,439.08, 29,111.10 and 9,053.80 is: 13,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.08 : 29,111.10 = 9,053.80 : x
  2. Step 2: Convert to fraction form
    19,439.08/29,111.10 = 9,053.80/x
  3. Step 3: Cross multiply
    19,439.08x = 29,111.10 × 9,053.80
  4. Step 4: Simplify right side
    19,439.08x = 263,566,077.18
  5. Step 5: Solve for x
    x = 263,566,077.18/19,439.08
  6. Step 6: Final answer
    x = 13,558.57

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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.