Home / 15,196.08-22,719.18-12,881.91

Finding the Fourth Proportional to 15,196.08, 22,719.18 and 12,881.91

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Solution

The fourth proportional to 15,196.08, 22,719.18 and 12,881.91 is: 19,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.08 : 22,719.18 = 12,881.91 : x
  2. Step 2: Convert to fraction form
    15,196.08/22,719.18 = 12,881.91/x
  3. Step 3: Cross multiply
    15,196.08x = 22,719.18 × 12,881.91
  4. Step 4: Simplify right side
    15,196.08x = 292,666,432.03
  5. Step 5: Solve for x
    x = 292,666,432.03/15,196.08
  6. Step 6: Final answer
    x = 19,259.34

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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.