Home / 15,983.65-23,975.47-4,890.34

Finding the Fourth Proportional to 15,983.65, 23,975.47 and 4,890.34

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Solution

The fourth proportional to 15,983.65, 23,975.47 and 4,890.34 is: 7,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.65 : 23,975.47 = 4,890.34 : x
  2. Step 2: Convert to fraction form
    15,983.65/23,975.47 = 4,890.34/x
  3. Step 3: Cross multiply
    15,983.65x = 23,975.47 × 4,890.34
  4. Step 4: Simplify right side
    15,983.65x = 117,248,199.96
  5. Step 5: Solve for x
    x = 117,248,199.96/15,983.65
  6. Step 6: Final answer
    x = 7,335.51

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1.5x scale

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.