Home / 19,573.61-29,359.34-12,078.59

Finding the Fourth Proportional to 19,573.61, 29,359.34 and 12,078.59

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Solution

The fourth proportional to 19,573.61, 29,359.34 and 12,078.59 is: 18,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.61 : 29,359.34 = 12,078.59 : x
  2. Step 2: Convert to fraction form
    19,573.61/29,359.34 = 12,078.59/x
  3. Step 3: Cross multiply
    19,573.61x = 29,359.34 × 12,078.59
  4. Step 4: Simplify right side
    19,573.61x = 354,619,534.13
  5. Step 5: Solve for x
    x = 354,619,534.13/19,573.61
  6. Step 6: Final answer
    x = 18,117.23

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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.