Home / 39,764.34-59,655.33-13,109.27

Finding the Fourth Proportional to 39,764.34, 59,655.33 and 13,109.27

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Solution

The fourth proportional to 39,764.34, 59,655.33 and 13,109.27 is: 19,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.34 : 59,655.33 = 13,109.27 : x
  2. Step 2: Convert to fraction form
    39,764.34/59,655.33 = 13,109.27/x
  3. Step 3: Cross multiply
    39,764.34x = 59,655.33 × 13,109.27
  4. Step 4: Simplify right side
    39,764.34x = 782,037,529.63
  5. Step 5: Solve for x
    x = 782,037,529.63/39,764.34
  6. Step 6: Final answer
    x = 19,666.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.