Home / 19,655.90-27,125.62-10,703.88

Finding the Fourth Proportional to 19,655.90, 27,125.62 and 10,703.88

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Solution

The fourth proportional to 19,655.90, 27,125.62 and 10,703.88 is: 14,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.90 : 27,125.62 = 10,703.88 : x
  2. Step 2: Convert to fraction form
    19,655.90/27,125.62 = 10,703.88/x
  3. Step 3: Cross multiply
    19,655.90x = 27,125.62 × 10,703.88
  4. Step 4: Simplify right side
    19,655.90x = 290,349,354.65
  5. Step 5: Solve for x
    x = 290,349,354.65/19,655.90
  6. Step 6: Final answer
    x = 14,771.61

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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.