Home / 14,124.04-19,491.53-7,750.90

Finding the Fourth Proportional to 14,124.04, 19,491.53 and 7,750.90

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Solution

The fourth proportional to 14,124.04, 19,491.53 and 7,750.90 is: 10,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.04 : 19,491.53 = 7,750.90 : x
  2. Step 2: Convert to fraction form
    14,124.04/19,491.53 = 7,750.90/x
  3. Step 3: Cross multiply
    14,124.04x = 19,491.53 × 7,750.90
  4. Step 4: Simplify right side
    14,124.04x = 151,076,899.88
  5. Step 5: Solve for x
    x = 151,076,899.88/14,124.04
  6. Step 6: Final answer
    x = 10,696.44

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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.