Home / 14,206.32-19,603.35-8,238.38

Finding the Fourth Proportional to 14,206.32, 19,603.35 and 8,238.38

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Solution

The fourth proportional to 14,206.32, 19,603.35 and 8,238.38 is: 11,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.32 : 19,603.35 = 8,238.38 : x
  2. Step 2: Convert to fraction form
    14,206.32/19,603.35 = 8,238.38/x
  3. Step 3: Cross multiply
    14,206.32x = 19,603.35 × 8,238.38
  4. Step 4: Simplify right side
    14,206.32x = 161,499,748.56
  5. Step 5: Solve for x
    x = 161,499,748.56/14,206.32
  6. Step 6: Final answer
    x = 11,368.16

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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.