Home / 14,340.80-21,520.92-6,555.08

Finding the Fourth Proportional to 14,340.80, 21,520.92 and 6,555.08

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Solution

The fourth proportional to 14,340.80, 21,520.92 and 6,555.08 is: 9,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.80 : 21,520.92 = 6,555.08 : x
  2. Step 2: Convert to fraction form
    14,340.80/21,520.92 = 6,555.08/x
  3. Step 3: Cross multiply
    14,340.80x = 21,520.92 × 6,555.08
  4. Step 4: Simplify right side
    14,340.80x = 141,071,244.67
  5. Step 5: Solve for x
    x = 141,071,244.67/14,340.80
  6. Step 6: Final answer
    x = 9,837.06

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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.