Home / 15,807.09-23,705.57-8,790.46

Finding the Fourth Proportional to 15,807.09, 23,705.57 and 8,790.46

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Solution

The fourth proportional to 15,807.09, 23,705.57 and 8,790.46 is: 13,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.09 : 23,705.57 = 8,790.46 : x
  2. Step 2: Convert to fraction form
    15,807.09/23,705.57 = 8,790.46/x
  3. Step 3: Cross multiply
    15,807.09x = 23,705.57 × 8,790.46
  4. Step 4: Simplify right side
    15,807.09x = 208,382,820.91
  5. Step 5: Solve for x
    x = 208,382,820.91/15,807.09
  6. Step 6: Final answer
    x = 13,182.87

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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.