Home / 19,508.88-26,925.27-12,813.93

Finding the Fourth Proportional to 19,508.88, 26,925.27 and 12,813.93

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Solution

The fourth proportional to 19,508.88, 26,925.27 and 12,813.93 is: 17,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.88 : 26,925.27 = 12,813.93 : x
  2. Step 2: Convert to fraction form
    19,508.88/26,925.27 = 12,813.93/x
  3. Step 3: Cross multiply
    19,508.88x = 26,925.27 × 12,813.93
  4. Step 4: Simplify right side
    19,508.88x = 345,018,525.01
  5. Step 5: Solve for x
    x = 345,018,525.01/19,508.88
  6. Step 6: Final answer
    x = 17,685.20

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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.