Home / 14,995.74-20,689.11-9,697.26

Finding the Fourth Proportional to 14,995.74, 20,689.11 and 9,697.26

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Solution

The fourth proportional to 14,995.74, 20,689.11 and 9,697.26 is: 13,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.74 : 20,689.11 = 9,697.26 : x
  2. Step 2: Convert to fraction form
    14,995.74/20,689.11 = 9,697.26/x
  3. Step 3: Cross multiply
    14,995.74x = 20,689.11 × 9,697.26
  4. Step 4: Simplify right side
    14,995.74x = 200,627,678.84
  5. Step 5: Solve for x
    x = 200,627,678.84/14,995.74
  6. Step 6: Final answer
    x = 13,378.98

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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.