Home / 14,917.60-22,376.40-7,141.60

Finding the Fourth Proportional to 14,917.60, 22,376.40 and 7,141.60

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Solution

The fourth proportional to 14,917.60, 22,376.40 and 7,141.60 is: 10,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.60 : 22,376.40 = 7,141.60 : x
  2. Step 2: Convert to fraction form
    14,917.60/22,376.40 = 7,141.60/x
  3. Step 3: Cross multiply
    14,917.60x = 22,376.40 × 7,141.60
  4. Step 4: Simplify right side
    14,917.60x = 159,803,298.24
  5. Step 5: Solve for x
    x = 159,803,298.24/14,917.60
  6. Step 6: Final answer
    x = 10,712.40

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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.