Home / 14,307.30-19,730.34-10,950.21

Finding the Fourth Proportional to 14,307.30, 19,730.34 and 10,950.21

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Solution

The fourth proportional to 14,307.30, 19,730.34 and 10,950.21 is: 15,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.30 : 19,730.34 = 10,950.21 : x
  2. Step 2: Convert to fraction form
    14,307.30/19,730.34 = 10,950.21/x
  3. Step 3: Cross multiply
    14,307.30x = 19,730.34 × 10,950.21
  4. Step 4: Simplify right side
    14,307.30x = 216,051,366.37
  5. Step 5: Solve for x
    x = 216,051,366.37/14,307.30
  6. Step 6: Final answer
    x = 15,100.78

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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.