Home / 13,256.48-18,304.08-9,936.92

Finding the Fourth Proportional to 13,256.48, 18,304.08 and 9,936.92

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Solution

The fourth proportional to 13,256.48, 18,304.08 and 9,936.92 is: 13,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.48 : 18,304.08 = 9,936.92 : x
  2. Step 2: Convert to fraction form
    13,256.48/18,304.08 = 9,936.92/x
  3. Step 3: Cross multiply
    13,256.48x = 18,304.08 × 9,936.92
  4. Step 4: Simplify right side
    13,256.48x = 181,886,178.63
  5. Step 5: Solve for x
    x = 181,886,178.63/13,256.48
  6. Step 6: Final answer
    x = 13,720.55

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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.