Home / 13,944.04-19,242.90-7,656.46

Finding the Fourth Proportional to 13,944.04, 19,242.90 and 7,656.46

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Solution

The fourth proportional to 13,944.04, 19,242.90 and 7,656.46 is: 10,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.04 : 19,242.90 = 7,656.46 : x
  2. Step 2: Convert to fraction form
    13,944.04/19,242.90 = 7,656.46/x
  3. Step 3: Cross multiply
    13,944.04x = 19,242.90 × 7,656.46
  4. Step 4: Simplify right side
    13,944.04x = 147,332,494.13
  5. Step 5: Solve for x
    x = 147,332,494.13/13,944.04
  6. Step 6: Final answer
    x = 10,565.98

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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.