Home / 19,271.43-26,587.10-12,098.30

Finding the Fourth Proportional to 19,271.43, 26,587.10 and 12,098.30

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Solution

The fourth proportional to 19,271.43, 26,587.10 and 12,098.30 is: 16,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.43 : 26,587.10 = 12,098.30 : x
  2. Step 2: Convert to fraction form
    19,271.43/26,587.10 = 12,098.30/x
  3. Step 3: Cross multiply
    19,271.43x = 26,587.10 × 12,098.30
  4. Step 4: Simplify right side
    19,271.43x = 321,658,711.93
  5. Step 5: Solve for x
    x = 321,658,711.93/19,271.43
  6. Step 6: Final answer
    x = 16,690.96

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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.