Home / 19,322.15-29,012.65-18,370.68

Finding the Fourth Proportional to 19,322.15, 29,012.65 and 18,370.68

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Solution

The fourth proportional to 19,322.15, 29,012.65 and 18,370.68 is: 27,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.15 : 29,012.65 = 18,370.68 : x
  2. Step 2: Convert to fraction form
    19,322.15/29,012.65 = 18,370.68/x
  3. Step 3: Cross multiply
    19,322.15x = 29,012.65 × 18,370.68
  4. Step 4: Simplify right side
    19,322.15x = 532,982,117.57
  5. Step 5: Solve for x
    x = 532,982,117.57/19,322.15
  6. Step 6: Final answer
    x = 27,584.00

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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.