Home / 15,384.61-23,076.57-4,291.00

Finding the Fourth Proportional to 15,384.61, 23,076.57 and 4,291.00

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Solution

The fourth proportional to 15,384.61, 23,076.57 and 4,291.00 is: 6,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.61 : 23,076.57 = 4,291.00 : x
  2. Step 2: Convert to fraction form
    15,384.61/23,076.57 = 4,291.00/x
  3. Step 3: Cross multiply
    15,384.61x = 23,076.57 × 4,291.00
  4. Step 4: Simplify right side
    15,384.61x = 99,021,446.49
  5. Step 5: Solve for x
    x = 99,021,446.49/15,384.61
  6. Step 6: Final answer
    x = 6,436.40

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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.