Home / 25,665.34-38,533.80-13,195.93

Finding the Fourth Proportional to 25,665.34, 38,533.80 and 13,195.93

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Solution

The fourth proportional to 25,665.34, 38,533.80 and 13,195.93 is: 19,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.34 : 38,533.80 = 13,195.93 : x
  2. Step 2: Convert to fraction form
    25,665.34/38,533.80 = 13,195.93/x
  3. Step 3: Cross multiply
    25,665.34x = 38,533.80 × 13,195.93
  4. Step 4: Simplify right side
    25,665.34x = 508,489,327.43
  5. Step 5: Solve for x
    x = 508,489,327.43/25,665.34
  6. Step 6: Final answer
    x = 19,812.30

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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.