Home / 15,832.16-21,840.36-14,706.54

Finding the Fourth Proportional to 15,832.16, 21,840.36 and 14,706.54

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Solution

The fourth proportional to 15,832.16, 21,840.36 and 14,706.54 is: 20,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.16 : 21,840.36 = 14,706.54 : x
  2. Step 2: Convert to fraction form
    15,832.16/21,840.36 = 14,706.54/x
  3. Step 3: Cross multiply
    15,832.16x = 21,840.36 × 14,706.54
  4. Step 4: Simplify right side
    15,832.16x = 321,196,127.95
  5. Step 5: Solve for x
    x = 321,196,127.95/15,832.16
  6. Step 6: Final answer
    x = 20,287.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.