Home / 13,263.04-19,881.12-8,336.16

Finding the Fourth Proportional to 13,263.04, 19,881.12 and 8,336.16

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Solution

The fourth proportional to 13,263.04, 19,881.12 and 8,336.16 is: 12,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.04 : 19,881.12 = 8,336.16 : x
  2. Step 2: Convert to fraction form
    13,263.04/19,881.12 = 8,336.16/x
  3. Step 3: Cross multiply
    13,263.04x = 19,881.12 × 8,336.16
  4. Step 4: Simplify right side
    13,263.04x = 165,732,197.30
  5. Step 5: Solve for x
    x = 165,732,197.30/13,263.04
  6. Step 6: Final answer
    x = 12,495.79

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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.