Home / 19,679.18-29,460.27-19,653.26

Finding the Fourth Proportional to 19,679.18, 29,460.27 and 19,653.26

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Solution

The fourth proportional to 19,679.18, 29,460.27 and 19,653.26 is: 29,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.18 : 29,460.27 = 19,653.26 : x
  2. Step 2: Convert to fraction form
    19,679.18/29,460.27 = 19,653.26/x
  3. Step 3: Cross multiply
    19,679.18x = 29,460.27 × 19,653.26
  4. Step 4: Simplify right side
    19,679.18x = 578,990,345.98
  5. Step 5: Solve for x
    x = 578,990,345.98/19,679.18
  6. Step 6: Final answer
    x = 29,421.47

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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.