Home / 19,143.08-26,417.76-11,589.32

Finding the Fourth Proportional to 19,143.08, 26,417.76 and 11,589.32

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Solution

The fourth proportional to 19,143.08, 26,417.76 and 11,589.32 is: 15,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.08 : 26,417.76 = 11,589.32 : x
  2. Step 2: Convert to fraction form
    19,143.08/26,417.76 = 11,589.32/x
  3. Step 3: Cross multiply
    19,143.08x = 26,417.76 × 11,589.32
  4. Step 4: Simplify right side
    19,143.08x = 306,163,874.32
  5. Step 5: Solve for x
    x = 306,163,874.32/19,143.08
  6. Step 6: Final answer
    x = 15,993.45

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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.