Home / 19,415.30-26,756.05-16,725.68

Finding the Fourth Proportional to 19,415.30, 26,756.05 and 16,725.68

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Solution

The fourth proportional to 19,415.30, 26,756.05 and 16,725.68 is: 23,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.30 : 26,756.05 = 16,725.68 : x
  2. Step 2: Convert to fraction form
    19,415.30/26,756.05 = 16,725.68/x
  3. Step 3: Cross multiply
    19,415.30x = 26,756.05 × 16,725.68
  4. Step 4: Simplify right side
    19,415.30x = 447,513,130.36
  5. Step 5: Solve for x
    x = 447,513,130.36/19,415.30
  6. Step 6: Final answer
    x = 23,049.51

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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.