Home / 25,731.36-35,488.80-17,771.76

Finding the Fourth Proportional to 25,731.36, 35,488.80 and 17,771.76

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Solution

The fourth proportional to 25,731.36, 35,488.80 and 17,771.76 is: 24,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.36 : 35,488.80 = 17,771.76 : x
  2. Step 2: Convert to fraction form
    25,731.36/35,488.80 = 17,771.76/x
  3. Step 3: Cross multiply
    25,731.36x = 35,488.80 × 17,771.76
  4. Step 4: Simplify right side
    25,731.36x = 630,698,436.29
  5. Step 5: Solve for x
    x = 630,698,436.29/25,731.36
  6. Step 6: Final answer
    x = 24,510.89

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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.