Home / 15,818.40-23,731.38-4,725.99

Finding the Fourth Proportional to 15,818.40, 23,731.38 and 4,725.99

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Solution

The fourth proportional to 15,818.40, 23,731.38 and 4,725.99 is: 7,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.40 : 23,731.38 = 4,725.99 : x
  2. Step 2: Convert to fraction form
    15,818.40/23,731.38 = 4,725.99/x
  3. Step 3: Cross multiply
    15,818.40x = 23,731.38 × 4,725.99
  4. Step 4: Simplify right side
    15,818.40x = 112,154,264.57
  5. Step 5: Solve for x
    x = 112,154,264.57/15,818.40
  6. Step 6: Final answer
    x = 7,090.11

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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.