Home / 15,320.61-22,980.81-5,460.24

Finding the Fourth Proportional to 15,320.61, 22,980.81 and 5,460.24

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Solution

The fourth proportional to 15,320.61, 22,980.81 and 5,460.24 is: 8,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.61 : 22,980.81 = 5,460.24 : x
  2. Step 2: Convert to fraction form
    15,320.61/22,980.81 = 5,460.24/x
  3. Step 3: Cross multiply
    15,320.61x = 22,980.81 × 5,460.24
  4. Step 4: Simplify right side
    15,320.61x = 125,480,737.99
  5. Step 5: Solve for x
    x = 125,480,737.99/15,320.61
  6. Step 6: Final answer
    x = 8,190.32

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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.