Home / 15,840.66-23,763.56-5,980.80

Finding the Fourth Proportional to 15,840.66, 23,763.56 and 5,980.80

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Solution

The fourth proportional to 15,840.66, 23,763.56 and 5,980.80 is: 8,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.66 : 23,763.56 = 5,980.80 : x
  2. Step 2: Convert to fraction form
    15,840.66/23,763.56 = 5,980.80/x
  3. Step 3: Cross multiply
    15,840.66x = 23,763.56 × 5,980.80
  4. Step 4: Simplify right side
    15,840.66x = 142,125,069.74
  5. Step 5: Solve for x
    x = 142,125,069.74/15,840.66
  6. Step 6: Final answer
    x = 8,972.17

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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.