Home / 18,325.86-27,442.27-15,356.50

Finding the Fourth Proportional to 18,325.86, 27,442.27 and 15,356.50

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Solution

The fourth proportional to 18,325.86, 27,442.27 and 15,356.50 is: 22,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.86 : 27,442.27 = 15,356.50 : x
  2. Step 2: Convert to fraction form
    18,325.86/27,442.27 = 15,356.50/x
  3. Step 3: Cross multiply
    18,325.86x = 27,442.27 × 15,356.50
  4. Step 4: Simplify right side
    18,325.86x = 421,417,219.26
  5. Step 5: Solve for x
    x = 421,417,219.26/18,325.86
  6. Step 6: Final answer
    x = 22,995.77

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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.