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Finding the Fourth Proportional to 14,999.94, 20,700.23 and 9,030.34

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Solution

The fourth proportional to 14,999.94, 20,700.23 and 9,030.34 is: 12,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.94 : 20,700.23 = 9,030.34 : x
  2. Step 2: Convert to fraction form
    14,999.94/20,700.23 = 9,030.34/x
  3. Step 3: Cross multiply
    14,999.94x = 20,700.23 × 9,030.34
  4. Step 4: Simplify right side
    14,999.94x = 186,930,114.98
  5. Step 5: Solve for x
    x = 186,930,114.98/14,999.94
  6. Step 6: Final answer
    x = 12,462.06

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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.