Home / 17,653.08-26,465.70-12,089.60

Finding the Fourth Proportional to 17,653.08, 26,465.70 and 12,089.60

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Solution

The fourth proportional to 17,653.08, 26,465.70 and 12,089.60 is: 18,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.08 : 26,465.70 = 12,089.60 : x
  2. Step 2: Convert to fraction form
    17,653.08/26,465.70 = 12,089.60/x
  3. Step 3: Cross multiply
    17,653.08x = 26,465.70 × 12,089.60
  4. Step 4: Simplify right side
    17,653.08x = 319,959,726.72
  5. Step 5: Solve for x
    x = 319,959,726.72/17,653.08
  6. Step 6: Final answer
    x = 18,124.87

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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.