Home / 14,281.09-19,707.90-7,993.47

Finding the Fourth Proportional to 14,281.09, 19,707.90 and 7,993.47

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Solution

The fourth proportional to 14,281.09, 19,707.90 and 7,993.47 is: 11,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.09 : 19,707.90 = 7,993.47 : x
  2. Step 2: Convert to fraction form
    14,281.09/19,707.90 = 7,993.47/x
  3. Step 3: Cross multiply
    14,281.09x = 19,707.90 × 7,993.47
  4. Step 4: Simplify right side
    14,281.09x = 157,534,408.87
  5. Step 5: Solve for x
    x = 157,534,408.87/14,281.09
  6. Step 6: Final answer
    x = 11,030.98

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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.