Home / 14,656.47-21,878.57-12,883.02

Finding the Fourth Proportional to 14,656.47, 21,878.57 and 12,883.02

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Solution

The fourth proportional to 14,656.47, 21,878.57 and 12,883.02 is: 19,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.47 : 21,878.57 = 12,883.02 : x
  2. Step 2: Convert to fraction form
    14,656.47/21,878.57 = 12,883.02/x
  3. Step 3: Cross multiply
    14,656.47x = 21,878.57 × 12,883.02
  4. Step 4: Simplify right side
    14,656.47x = 281,862,087.09
  5. Step 5: Solve for x
    x = 281,862,087.09/14,656.47
  6. Step 6: Final answer
    x = 19,231.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.