Home / 19,146.08-26,422-10,762.72

Finding the Fourth Proportional to 19,146.08, 26,422 and 10,762.72

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Solution

The fourth proportional to 19,146.08, 26,422 and 10,762.72 is: 14,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.08 : 26,422 = 10,762.72 : x
  2. Step 2: Convert to fraction form
    19,146.08/26,422 = 10,762.72/x
  3. Step 3: Cross multiply
    19,146.08x = 26,422 × 10,762.72
  4. Step 4: Simplify right side
    19,146.08x = 284,372,587.84
  5. Step 5: Solve for x
    x = 284,372,587.84/19,146.08
  6. Step 6: Final answer
    x = 14,852.78

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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.