Home / 19,427.22-29,113.02-8,330.94

Finding the Fourth Proportional to 19,427.22, 29,113.02 and 8,330.94

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Solution

The fourth proportional to 19,427.22, 29,113.02 and 8,330.94 is: 12,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.22 : 29,113.02 = 8,330.94 : x
  2. Step 2: Convert to fraction form
    19,427.22/29,113.02 = 8,330.94/x
  3. Step 3: Cross multiply
    19,427.22x = 29,113.02 × 8,330.94
  4. Step 4: Simplify right side
    19,427.22x = 242,538,822.84
  5. Step 5: Solve for x
    x = 242,538,822.84/19,427.22
  6. Step 6: Final answer
    x = 12,484.48

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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.