Home / 14,064.85-21,033.28-10,509.49

Finding the Fourth Proportional to 14,064.85, 21,033.28 and 10,509.49

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Solution

The fourth proportional to 14,064.85, 21,033.28 and 10,509.49 is: 15,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.85 : 21,033.28 = 10,509.49 : x
  2. Step 2: Convert to fraction form
    14,064.85/21,033.28 = 10,509.49/x
  3. Step 3: Cross multiply
    14,064.85x = 21,033.28 × 10,509.49
  4. Step 4: Simplify right side
    14,064.85x = 221,048,888.11
  5. Step 5: Solve for x
    x = 221,048,888.11/14,064.85
  6. Step 6: Final answer
    x = 15,716.41

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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.