Home / 15,385.04-23,080.65-5,525.09

Finding the Fourth Proportional to 15,385.04, 23,080.65 and 5,525.09

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Solution

The fourth proportional to 15,385.04, 23,080.65 and 5,525.09 is: 8,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.04 : 23,080.65 = 5,525.09 : x
  2. Step 2: Convert to fraction form
    15,385.04/23,080.65 = 5,525.09/x
  3. Step 3: Cross multiply
    15,385.04x = 23,080.65 × 5,525.09
  4. Step 4: Simplify right side
    15,385.04x = 127,522,668.51
  5. Step 5: Solve for x
    x = 127,522,668.51/15,385.04
  6. Step 6: Final answer
    x = 8,288.74

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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.