Home / 25,271.28-37,913.40-9,690.12

Finding the Fourth Proportional to 25,271.28, 37,913.40 and 9,690.12

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Solution

The fourth proportional to 25,271.28, 37,913.40 and 9,690.12 is: 14,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.28 : 37,913.40 = 9,690.12 : x
  2. Step 2: Convert to fraction form
    25,271.28/37,913.40 = 9,690.12/x
  3. Step 3: Cross multiply
    25,271.28x = 37,913.40 × 9,690.12
  4. Step 4: Simplify right side
    25,271.28x = 367,385,395.61
  5. Step 5: Solve for x
    x = 367,385,395.61/25,271.28
  6. Step 6: Final answer
    x = 14,537.66

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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.