Home / 13,076.48-18,045.54-7,108.14

Finding the Fourth Proportional to 13,076.48, 18,045.54 and 7,108.14

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Solution

The fourth proportional to 13,076.48, 18,045.54 and 7,108.14 is: 9,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.48 : 18,045.54 = 7,108.14 : x
  2. Step 2: Convert to fraction form
    13,076.48/18,045.54 = 7,108.14/x
  3. Step 3: Cross multiply
    13,076.48x = 18,045.54 × 7,108.14
  4. Step 4: Simplify right side
    13,076.48x = 128,270,224.70
  5. Step 5: Solve for x
    x = 128,270,224.70/13,076.48
  6. Step 6: Final answer
    x = 9,809.23

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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.