Home / 19,427.10-29,143.53-6,275.10

Finding the Fourth Proportional to 19,427.10, 29,143.53 and 6,275.10

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Solution

The fourth proportional to 19,427.10, 29,143.53 and 6,275.10 is: 9,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.10 : 29,143.53 = 6,275.10 : x
  2. Step 2: Convert to fraction form
    19,427.10/29,143.53 = 6,275.10/x
  3. Step 3: Cross multiply
    19,427.10x = 29,143.53 × 6,275.10
  4. Step 4: Simplify right side
    19,427.10x = 182,878,565.10
  5. Step 5: Solve for x
    x = 182,878,565.10/19,427.10
  6. Step 6: Final answer
    x = 9,413.58

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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.