Home / 25,770.47-35,557.08-15,008.81

Finding the Fourth Proportional to 25,770.47, 35,557.08 and 15,008.81

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Solution

The fourth proportional to 25,770.47, 35,557.08 and 15,008.81 is: 20,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.47 : 35,557.08 = 15,008.81 : x
  2. Step 2: Convert to fraction form
    25,770.47/35,557.08 = 15,008.81/x
  3. Step 3: Cross multiply
    25,770.47x = 35,557.08 × 15,008.81
  4. Step 4: Simplify right side
    25,770.47x = 533,669,406.50
  5. Step 5: Solve for x
    x = 533,669,406.50/25,770.47
  6. Step 6: Final answer
    x = 20,708.57

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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.