Home / 19,643.41-27,117.18-12,573.93

Finding the Fourth Proportional to 19,643.41, 27,117.18 and 12,573.93

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Solution

The fourth proportional to 19,643.41, 27,117.18 and 12,573.93 is: 17,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.41 : 27,117.18 = 12,573.93 : x
  2. Step 2: Convert to fraction form
    19,643.41/27,117.18 = 12,573.93/x
  3. Step 3: Cross multiply
    19,643.41x = 27,117.18 × 12,573.93
  4. Step 4: Simplify right side
    19,643.41x = 340,969,523.12
  5. Step 5: Solve for x
    x = 340,969,523.12/19,643.41
  6. Step 6: Final answer
    x = 17,357.96

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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.