Home / 15,764.58-21,748.01-9,048.87

Finding the Fourth Proportional to 15,764.58, 21,748.01 and 9,048.87

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Solution

The fourth proportional to 15,764.58, 21,748.01 and 9,048.87 is: 12,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.58 : 21,748.01 = 9,048.87 : x
  2. Step 2: Convert to fraction form
    15,764.58/21,748.01 = 9,048.87/x
  3. Step 3: Cross multiply
    15,764.58x = 21,748.01 × 9,048.87
  4. Step 4: Simplify right side
    15,764.58x = 196,794,870.00
  5. Step 5: Solve for x
    x = 196,794,870.00/15,764.58
  6. Step 6: Final answer
    x = 12,483.36

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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.