Home / 19,040.66-26,259.99-14,271.78

Finding the Fourth Proportional to 19,040.66, 26,259.99 and 14,271.78

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Solution

The fourth proportional to 19,040.66, 26,259.99 and 14,271.78 is: 19,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.66 : 26,259.99 = 14,271.78 : x
  2. Step 2: Convert to fraction form
    19,040.66/26,259.99 = 14,271.78/x
  3. Step 3: Cross multiply
    19,040.66x = 26,259.99 × 14,271.78
  4. Step 4: Simplify right side
    19,040.66x = 374,776,800.08
  5. Step 5: Solve for x
    x = 374,776,800.08/19,040.66
  6. Step 6: Final answer
    x = 19,682.98

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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.