Home / 19,465.52-26,837.82-12,740.48

Finding the Fourth Proportional to 19,465.52, 26,837.82 and 12,740.48

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Solution

The fourth proportional to 19,465.52, 26,837.82 and 12,740.48 is: 17,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.52 : 26,837.82 = 12,740.48 : x
  2. Step 2: Convert to fraction form
    19,465.52/26,837.82 = 12,740.48/x
  3. Step 3: Cross multiply
    19,465.52x = 26,837.82 × 12,740.48
  4. Step 4: Simplify right side
    19,465.52x = 341,926,708.95
  5. Step 5: Solve for x
    x = 341,926,708.95/19,465.52
  6. Step 6: Final answer
    x = 17,565.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.