Home / 13,243.19-19,864.79-4,925.30

Finding the Fourth Proportional to 13,243.19, 19,864.79 and 4,925.30

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Solution

The fourth proportional to 13,243.19, 19,864.79 and 4,925.30 is: 7,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.19 : 19,864.79 = 4,925.30 : x
  2. Step 2: Convert to fraction form
    13,243.19/19,864.79 = 4,925.30/x
  3. Step 3: Cross multiply
    13,243.19x = 19,864.79 × 4,925.30
  4. Step 4: Simplify right side
    13,243.19x = 97,839,963.18
  5. Step 5: Solve for x
    x = 97,839,963.18/13,243.19
  6. Step 6: Final answer
    x = 7,387.95

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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.