Home / 15,818.70-23,731.16-4,725.16

Finding the Fourth Proportional to 15,818.70, 23,731.16 and 4,725.16

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Solution

The fourth proportional to 15,818.70, 23,731.16 and 4,725.16 is: 7,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.70 : 23,731.16 = 4,725.16 : x
  2. Step 2: Convert to fraction form
    15,818.70/23,731.16 = 4,725.16/x
  3. Step 3: Cross multiply
    15,818.70x = 23,731.16 × 4,725.16
  4. Step 4: Simplify right side
    15,818.70x = 112,133,527.99
  5. Step 5: Solve for x
    x = 112,133,527.99/15,818.70
  6. Step 6: Final answer
    x = 7,088.67

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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.