Home / 18,901.76-26,084.50-10,518.26

Finding the Fourth Proportional to 18,901.76, 26,084.50 and 10,518.26

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Solution

The fourth proportional to 18,901.76, 26,084.50 and 10,518.26 is: 14,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.76 : 26,084.50 = 10,518.26 : x
  2. Step 2: Convert to fraction form
    18,901.76/26,084.50 = 10,518.26/x
  3. Step 3: Cross multiply
    18,901.76x = 26,084.50 × 10,518.26
  4. Step 4: Simplify right side
    18,901.76x = 274,363,396.25
  5. Step 5: Solve for x
    x = 274,363,396.25/18,901.76
  6. Step 6: Final answer
    x = 14,515.23

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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.