Home / 25,854.96-35,678.90-15,800.23

Finding the Fourth Proportional to 25,854.96, 35,678.90 and 15,800.23

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Solution

The fourth proportional to 25,854.96, 35,678.90 and 15,800.23 is: 21,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.96 : 35,678.90 = 15,800.23 : x
  2. Step 2: Convert to fraction form
    25,854.96/35,678.90 = 15,800.23/x
  3. Step 3: Cross multiply
    25,854.96x = 35,678.90 × 15,800.23
  4. Step 4: Simplify right side
    25,854.96x = 563,734,826.15
  5. Step 5: Solve for x
    x = 563,734,826.15/25,854.96
  6. Step 6: Final answer
    x = 21,803.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.