Home / 13,090.84-18,065.66-7,425.97

Finding the Fourth Proportional to 13,090.84, 18,065.66 and 7,425.97

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Solution

The fourth proportional to 13,090.84, 18,065.66 and 7,425.97 is: 10,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.84 : 18,065.66 = 7,425.97 : x
  2. Step 2: Convert to fraction form
    13,090.84/18,065.66 = 7,425.97/x
  3. Step 3: Cross multiply
    13,090.84x = 18,065.66 × 7,425.97
  4. Step 4: Simplify right side
    13,090.84x = 134,154,966.90
  5. Step 5: Solve for x
    x = 134,154,966.90/13,090.84
  6. Step 6: Final answer
    x = 10,248.00

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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.