Home / 14,848.40-20,490.80-8,134.27

Finding the Fourth Proportional to 14,848.40, 20,490.80 and 8,134.27

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Solution

The fourth proportional to 14,848.40, 20,490.80 and 8,134.27 is: 11,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.40 : 20,490.80 = 8,134.27 : x
  2. Step 2: Convert to fraction form
    14,848.40/20,490.80 = 8,134.27/x
  3. Step 3: Cross multiply
    14,848.40x = 20,490.80 × 8,134.27
  4. Step 4: Simplify right side
    14,848.40x = 166,677,699.72
  5. Step 5: Solve for x
    x = 166,677,699.72/14,848.40
  6. Step 6: Final answer
    x = 11,225.30

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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.