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Finding the Fourth Proportional to 14,416.95, 19,888.50 and 8,444.94

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Solution

The fourth proportional to 14,416.95, 19,888.50 and 8,444.94 is: 11,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.95 : 19,888.50 = 8,444.94 : x
  2. Step 2: Convert to fraction form
    14,416.95/19,888.50 = 8,444.94/x
  3. Step 3: Cross multiply
    14,416.95x = 19,888.50 × 8,444.94
  4. Step 4: Simplify right side
    14,416.95x = 167,957,189.19
  5. Step 5: Solve for x
    x = 167,957,189.19/14,416.95
  6. Step 6: Final answer
    x = 11,649.98

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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.