Home / 19,582.71-29,381.74-11,689.52

Finding the Fourth Proportional to 19,582.71, 29,381.74 and 11,689.52

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Solution

The fourth proportional to 19,582.71, 29,381.74 and 11,689.52 is: 17,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.71 : 29,381.74 = 11,689.52 : x
  2. Step 2: Convert to fraction form
    19,582.71/29,381.74 = 11,689.52/x
  3. Step 3: Cross multiply
    19,582.71x = 29,381.74 × 11,689.52
  4. Step 4: Simplify right side
    19,582.71x = 343,458,261.23
  5. Step 5: Solve for x
    x = 343,458,261.23/19,582.71
  6. Step 6: Final answer
    x = 17,538.85

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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.