Home / 15,762.19-21,752.21-9,049.01

Finding the Fourth Proportional to 15,762.19, 21,752.21 and 9,049.01

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Solution

The fourth proportional to 15,762.19, 21,752.21 and 9,049.01 is: 12,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.19 : 21,752.21 = 9,049.01 : x
  2. Step 2: Convert to fraction form
    15,762.19/21,752.21 = 9,049.01/x
  3. Step 3: Cross multiply
    15,762.19x = 21,752.21 × 9,049.01
  4. Step 4: Simplify right side
    15,762.19x = 196,835,857.05
  5. Step 5: Solve for x
    x = 196,835,857.05/15,762.19
  6. Step 6: Final answer
    x = 12,487.85

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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.