Home / 15,828.58-21,841.47-9,023.60

Finding the Fourth Proportional to 15,828.58, 21,841.47 and 9,023.60

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Solution

The fourth proportional to 15,828.58, 21,841.47 and 9,023.60 is: 12,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.58 : 21,841.47 = 9,023.60 : x
  2. Step 2: Convert to fraction form
    15,828.58/21,841.47 = 9,023.60/x
  3. Step 3: Cross multiply
    15,828.58x = 21,841.47 × 9,023.60
  4. Step 4: Simplify right side
    15,828.58x = 197,088,573.36
  5. Step 5: Solve for x
    x = 197,088,573.36/15,828.58
  6. Step 6: Final answer
    x = 12,451.43

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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.