Home / 14,342.87-19,782.20-10,377.11

Finding the Fourth Proportional to 14,342.87, 19,782.20 and 10,377.11

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Solution

The fourth proportional to 14,342.87, 19,782.20 and 10,377.11 is: 14,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.87 : 19,782.20 = 10,377.11 : x
  2. Step 2: Convert to fraction form
    14,342.87/19,782.20 = 10,377.11/x
  3. Step 3: Cross multiply
    14,342.87x = 19,782.20 × 10,377.11
  4. Step 4: Simplify right side
    14,342.87x = 205,281,914.65
  5. Step 5: Solve for x
    x = 205,281,914.65/14,342.87
  6. Step 6: Final answer
    x = 14,312.48

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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.