Home / 15,355.17-23,004.81-10,665.27

Finding the Fourth Proportional to 15,355.17, 23,004.81 and 10,665.27

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Solution

The fourth proportional to 15,355.17, 23,004.81 and 10,665.27 is: 15,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355.17 : 23,004.81 = 10,665.27 : x
  2. Step 2: Convert to fraction form
    15,355.17/23,004.81 = 10,665.27/x
  3. Step 3: Cross multiply
    15,355.17x = 23,004.81 × 10,665.27
  4. Step 4: Simplify right side
    15,355.17x = 245,352,509.95
  5. Step 5: Solve for x
    x = 245,352,509.95/15,355.17
  6. Step 6: Final answer
    x = 15,978.50

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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.