Home / 19,631.24-29,435.15-13,313.90

Finding the Fourth Proportional to 19,631.24, 29,435.15 and 13,313.90

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Solution

The fourth proportional to 19,631.24, 29,435.15 and 13,313.90 is: 19,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.24 : 29,435.15 = 13,313.90 : x
  2. Step 2: Convert to fraction form
    19,631.24/29,435.15 = 13,313.90/x
  3. Step 3: Cross multiply
    19,631.24x = 29,435.15 × 13,313.90
  4. Step 4: Simplify right side
    19,631.24x = 391,896,429.84
  5. Step 5: Solve for x
    x = 391,896,429.84/19,631.24
  6. Step 6: Final answer
    x = 19,962.90

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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.