Home / 12,254.79-16,927.08-10,658.28

Finding the Fourth Proportional to 12,254.79, 16,927.08 and 10,658.28

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Solution

The fourth proportional to 12,254.79, 16,927.08 and 10,658.28 is: 14,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.79 : 16,927.08 = 10,658.28 : x
  2. Step 2: Convert to fraction form
    12,254.79/16,927.08 = 10,658.28/x
  3. Step 3: Cross multiply
    12,254.79x = 16,927.08 × 10,658.28
  4. Step 4: Simplify right side
    12,254.79x = 180,413,558.22
  5. Step 5: Solve for x
    x = 180,413,558.22/12,254.79
  6. Step 6: Final answer
    x = 14,721.88

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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.