Home / 39,602.01-59,365.81-13,288.30

Finding the Fourth Proportional to 39,602.01, 59,365.81 and 13,288.30

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Solution

The fourth proportional to 39,602.01, 59,365.81 and 13,288.30 is: 19,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.01 : 59,365.81 = 13,288.30 : x
  2. Step 2: Convert to fraction form
    39,602.01/59,365.81 = 13,288.30/x
  3. Step 3: Cross multiply
    39,602.01x = 59,365.81 × 13,288.30
  4. Step 4: Simplify right side
    39,602.01x = 788,870,895.15
  5. Step 5: Solve for x
    x = 788,870,895.15/39,602.01
  6. Step 6: Final answer
    x = 19,919.97

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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.