Home / 13,944.02-19,242.64-7,570.48

Finding the Fourth Proportional to 13,944.02, 19,242.64 and 7,570.48

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Solution

The fourth proportional to 13,944.02, 19,242.64 and 7,570.48 is: 10,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.02 : 19,242.64 = 7,570.48 : x
  2. Step 2: Convert to fraction form
    13,944.02/19,242.64 = 7,570.48/x
  3. Step 3: Cross multiply
    13,944.02x = 19,242.64 × 7,570.48
  4. Step 4: Simplify right side
    13,944.02x = 145,676,049.91
  5. Step 5: Solve for x
    x = 145,676,049.91/13,944.02
  6. Step 6: Final answer
    x = 10,447.21

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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.