Home / 25,925.56-38,888.36-7,205.60

Finding the Fourth Proportional to 25,925.56, 38,888.36 and 7,205.60

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Solution

The fourth proportional to 25,925.56, 38,888.36 and 7,205.60 is: 10,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.56 : 38,888.36 = 7,205.60 : x
  2. Step 2: Convert to fraction form
    25,925.56/38,888.36 = 7,205.60/x
  3. Step 3: Cross multiply
    25,925.56x = 38,888.36 × 7,205.60
  4. Step 4: Simplify right side
    25,925.56x = 280,213,966.82
  5. Step 5: Solve for x
    x = 280,213,966.82/25,925.56
  6. Step 6: Final answer
    x = 10,808.41

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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.