Home / 15,859.90-23,790.23-5,330.07

Finding the Fourth Proportional to 15,859.90, 23,790.23 and 5,330.07

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Solution

The fourth proportional to 15,859.90, 23,790.23 and 5,330.07 is: 7,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.90 : 23,790.23 = 5,330.07 : x
  2. Step 2: Convert to fraction form
    15,859.90/23,790.23 = 5,330.07/x
  3. Step 3: Cross multiply
    15,859.90x = 23,790.23 × 5,330.07
  4. Step 4: Simplify right side
    15,859.90x = 126,803,591.22
  5. Step 5: Solve for x
    x = 126,803,591.22/15,859.90
  6. Step 6: Final answer
    x = 7,995.24

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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.