Home / 14,347.21-19,799.13-7,973.60

Finding the Fourth Proportional to 14,347.21, 19,799.13 and 7,973.60

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Solution

The fourth proportional to 14,347.21, 19,799.13 and 7,973.60 is: 11,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.21 : 19,799.13 = 7,973.60 : x
  2. Step 2: Convert to fraction form
    14,347.21/19,799.13 = 7,973.60/x
  3. Step 3: Cross multiply
    14,347.21x = 19,799.13 × 7,973.60
  4. Step 4: Simplify right side
    14,347.21x = 157,870,412.40
  5. Step 5: Solve for x
    x = 157,870,412.40/14,347.21
  6. Step 6: Final answer
    x = 11,003.56

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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.