Home / 25,827.04-38,708.07-13,980.34

Finding the Fourth Proportional to 25,827.04, 38,708.07 and 13,980.34

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Solution

The fourth proportional to 25,827.04, 38,708.07 and 13,980.34 is: 20,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.04 : 38,708.07 = 13,980.34 : x
  2. Step 2: Convert to fraction form
    25,827.04/38,708.07 = 13,980.34/x
  3. Step 3: Cross multiply
    25,827.04x = 38,708.07 × 13,980.34
  4. Step 4: Simplify right side
    25,827.04x = 541,151,979.34
  5. Step 5: Solve for x
    x = 541,151,979.34/25,827.04
  6. Step 6: Final answer
    x = 20,952.92

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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.