Home / 25,659.72-38,502.80-19,417.66

Finding the Fourth Proportional to 25,659.72, 38,502.80 and 19,417.66

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Solution

The fourth proportional to 25,659.72, 38,502.80 and 19,417.66 is: 29,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.72 : 38,502.80 = 19,417.66 : x
  2. Step 2: Convert to fraction form
    25,659.72/38,502.80 = 19,417.66/x
  3. Step 3: Cross multiply
    25,659.72x = 38,502.80 × 19,417.66
  4. Step 4: Simplify right side
    25,659.72x = 747,634,303.30
  5. Step 5: Solve for x
    x = 747,634,303.30/25,659.72
  6. Step 6: Final answer
    x = 29,136.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.