Home / 25,633.80-35,373.78-15,030.45

Finding the Fourth Proportional to 25,633.80, 35,373.78 and 15,030.45

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Solution

The fourth proportional to 25,633.80, 35,373.78 and 15,030.45 is: 20,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.80 : 35,373.78 = 15,030.45 : x
  2. Step 2: Convert to fraction form
    25,633.80/35,373.78 = 15,030.45/x
  3. Step 3: Cross multiply
    25,633.80x = 35,373.78 × 15,030.45
  4. Step 4: Simplify right side
    25,633.80x = 531,683,831.60
  5. Step 5: Solve for x
    x = 531,683,831.60/25,633.80
  6. Step 6: Final answer
    x = 20,741.51

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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.