Home / 19,369.45-29,069.74-10,012.20

Finding the Fourth Proportional to 19,369.45, 29,069.74 and 10,012.20

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Solution

The fourth proportional to 19,369.45, 29,069.74 and 10,012.20 is: 15,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.45 : 29,069.74 = 10,012.20 : x
  2. Step 2: Convert to fraction form
    19,369.45/29,069.74 = 10,012.20/x
  3. Step 3: Cross multiply
    19,369.45x = 29,069.74 × 10,012.20
  4. Step 4: Simplify right side
    19,369.45x = 291,051,898.01
  5. Step 5: Solve for x
    x = 291,051,898.01/19,369.45
  6. Step 6: Final answer
    x = 15,026.34

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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.