Home / 14,224.63-19,630.21-7,851.52

Finding the Fourth Proportional to 14,224.63, 19,630.21 and 7,851.52

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Solution

The fourth proportional to 14,224.63, 19,630.21 and 7,851.52 is: 10,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.63 : 19,630.21 = 7,851.52 : x
  2. Step 2: Convert to fraction form
    14,224.63/19,630.21 = 7,851.52/x
  3. Step 3: Cross multiply
    14,224.63x = 19,630.21 × 7,851.52
  4. Step 4: Simplify right side
    14,224.63x = 154,126,986.42
  5. Step 5: Solve for x
    x = 154,126,986.42/14,224.63
  6. Step 6: Final answer
    x = 10,835.22

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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.