Home / 25,765.04-35,555.06-15,155.32

Finding the Fourth Proportional to 25,765.04, 35,555.06 and 15,155.32

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Solution

The fourth proportional to 25,765.04, 35,555.06 and 15,155.32 is: 20,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.04 : 35,555.06 = 15,155.32 : x
  2. Step 2: Convert to fraction form
    25,765.04/35,555.06 = 15,155.32/x
  3. Step 3: Cross multiply
    25,765.04x = 35,555.06 × 15,155.32
  4. Step 4: Simplify right side
    25,765.04x = 538,848,311.92
  5. Step 5: Solve for x
    x = 538,848,311.92/25,765.04
  6. Step 6: Final answer
    x = 20,913.93

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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.