Home / 25,467.90-38,140.29-12,955.02

Finding the Fourth Proportional to 25,467.90, 38,140.29 and 12,955.02

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Solution

The fourth proportional to 25,467.90, 38,140.29 and 12,955.02 is: 19,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,467.90 : 38,140.29 = 12,955.02 : x
  2. Step 2: Convert to fraction form
    25,467.90/38,140.29 = 12,955.02/x
  3. Step 3: Cross multiply
    25,467.90x = 38,140.29 × 12,955.02
  4. Step 4: Simplify right side
    25,467.90x = 494,108,219.76
  5. Step 5: Solve for x
    x = 494,108,219.76/25,467.90
  6. Step 6: Final answer
    x = 19,401.22

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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.