Home / 30,996.22-46,482.36-13,215.64

Finding the Fourth Proportional to 30,996.22, 46,482.36 and 13,215.64

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Solution

The fourth proportional to 30,996.22, 46,482.36 and 13,215.64 is: 19,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.22 : 46,482.36 = 13,215.64 : x
  2. Step 2: Convert to fraction form
    30,996.22/46,482.36 = 13,215.64/x
  3. Step 3: Cross multiply
    30,996.22x = 46,482.36 × 13,215.64
  4. Step 4: Simplify right side
    30,996.22x = 614,294,136.11
  5. Step 5: Solve for x
    x = 614,294,136.11/30,996.22
  6. Step 6: Final answer
    x = 19,818.36

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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.