Home / 18,913.60-26,100.30-10,529.92

Finding the Fourth Proportional to 18,913.60, 26,100.30 and 10,529.92

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Solution

The fourth proportional to 18,913.60, 26,100.30 and 10,529.92 is: 14,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.60 : 26,100.30 = 10,529.92 : x
  2. Step 2: Convert to fraction form
    18,913.60/26,100.30 = 10,529.92/x
  3. Step 3: Cross multiply
    18,913.60x = 26,100.30 × 10,529.92
  4. Step 4: Simplify right side
    18,913.60x = 274,834,070.98
  5. Step 5: Solve for x
    x = 274,834,070.98/18,913.60
  6. Step 6: Final answer
    x = 14,531.03

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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.