Home / 15,647.31-23,357.14-14,490.93

Finding the Fourth Proportional to 15,647.31, 23,357.14 and 14,490.93

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Solution

The fourth proportional to 15,647.31, 23,357.14 and 14,490.93 is: 21,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.31 : 23,357.14 = 14,490.93 : x
  2. Step 2: Convert to fraction form
    15,647.31/23,357.14 = 14,490.93/x
  3. Step 3: Cross multiply
    15,647.31x = 23,357.14 × 14,490.93
  4. Step 4: Simplify right side
    15,647.31x = 338,466,599.97
  5. Step 5: Solve for x
    x = 338,466,599.97/15,647.31
  6. Step 6: Final answer
    x = 21,630.98

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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.