Home / 25,312.36-37,931.62-17,912.80

Finding the Fourth Proportional to 25,312.36, 37,931.62 and 17,912.80

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Solution

The fourth proportional to 25,312.36, 37,931.62 and 17,912.80 is: 26,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.36 : 37,931.62 = 17,912.80 : x
  2. Step 2: Convert to fraction form
    25,312.36/37,931.62 = 17,912.80/x
  3. Step 3: Cross multiply
    25,312.36x = 37,931.62 × 17,912.80
  4. Step 4: Simplify right side
    25,312.36x = 679,461,522.74
  5. Step 5: Solve for x
    x = 679,461,522.74/25,312.36
  6. Step 6: Final answer
    x = 26,843.07

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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.