Home / 19,435.40-26,806.62-12,710.24

Finding the Fourth Proportional to 19,435.40, 26,806.62 and 12,710.24

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Solution

The fourth proportional to 19,435.40, 26,806.62 and 12,710.24 is: 17,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.40 : 26,806.62 = 12,710.24 : x
  2. Step 2: Convert to fraction form
    19,435.40/26,806.62 = 12,710.24/x
  3. Step 3: Cross multiply
    19,435.40x = 26,806.62 × 12,710.24
  4. Step 4: Simplify right side
    19,435.40x = 340,718,573.79
  5. Step 5: Solve for x
    x = 340,718,573.79/19,435.40
  6. Step 6: Final answer
    x = 17,530.82

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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.