Home / 14,531.04-20,051.80-8,244.40

Finding the Fourth Proportional to 14,531.04, 20,051.80 and 8,244.40

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Solution

The fourth proportional to 14,531.04, 20,051.80 and 8,244.40 is: 11,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.04 : 20,051.80 = 8,244.40 : x
  2. Step 2: Convert to fraction form
    14,531.04/20,051.80 = 8,244.40/x
  3. Step 3: Cross multiply
    14,531.04x = 20,051.80 × 8,244.40
  4. Step 4: Simplify right side
    14,531.04x = 165,315,059.92
  5. Step 5: Solve for x
    x = 165,315,059.92/14,531.04
  6. Step 6: Final answer
    x = 11,376.68

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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.