Home / 14,051.60-21,077.76-6,654.32

Finding the Fourth Proportional to 14,051.60, 21,077.76 and 6,654.32

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Solution

The fourth proportional to 14,051.60, 21,077.76 and 6,654.32 is: 9,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.60 : 21,077.76 = 6,654.32 : x
  2. Step 2: Convert to fraction form
    14,051.60/21,077.76 = 6,654.32/x
  3. Step 3: Cross multiply
    14,051.60x = 21,077.76 × 6,654.32
  4. Step 4: Simplify right side
    14,051.60x = 140,258,159.92
  5. Step 5: Solve for x
    x = 140,258,159.92/14,051.60
  6. Step 6: Final answer
    x = 9,981.65

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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.