Home / 18,722.12-25,870.74-17,810.96

Finding the Fourth Proportional to 18,722.12, 25,870.74 and 17,810.96

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Solution

The fourth proportional to 18,722.12, 25,870.74 and 17,810.96 is: 24,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.12 : 25,870.74 = 17,810.96 : x
  2. Step 2: Convert to fraction form
    18,722.12/25,870.74 = 17,810.96/x
  3. Step 3: Cross multiply
    18,722.12x = 25,870.74 × 17,810.96
  4. Step 4: Simplify right side
    18,722.12x = 460,782,715.31
  5. Step 5: Solve for x
    x = 460,782,715.31/18,722.12
  6. Step 6: Final answer
    x = 24,611.67

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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.