Home / 19,431.51-29,153.40-6,951.24

Finding the Fourth Proportional to 19,431.51, 29,153.40 and 6,951.24

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Solution

The fourth proportional to 19,431.51, 29,153.40 and 6,951.24 is: 10,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.51 : 29,153.40 = 6,951.24 : x
  2. Step 2: Convert to fraction form
    19,431.51/29,153.40 = 6,951.24/x
  3. Step 3: Cross multiply
    19,431.51x = 29,153.40 × 6,951.24
  4. Step 4: Simplify right side
    19,431.51x = 202,652,280.22
  5. Step 5: Solve for x
    x = 202,652,280.22/19,431.51
  6. Step 6: Final answer
    x = 10,429.05

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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.