Home / 25,741.38-35,518.87-15,133.08

Finding the Fourth Proportional to 25,741.38, 35,518.87 and 15,133.08

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Solution

The fourth proportional to 25,741.38, 35,518.87 and 15,133.08 is: 20,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.38 : 35,518.87 = 15,133.08 : x
  2. Step 2: Convert to fraction form
    25,741.38/35,518.87 = 15,133.08/x
  3. Step 3: Cross multiply
    25,741.38x = 35,518.87 × 15,133.08
  4. Step 4: Simplify right side
    25,741.38x = 537,509,901.22
  5. Step 5: Solve for x
    x = 537,509,901.22/25,741.38
  6. Step 6: Final answer
    x = 20,881.16

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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.