Home / 25,389.45-35,000.93-17,812.31

Finding the Fourth Proportional to 25,389.45, 35,000.93 and 17,812.31

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Solution

The fourth proportional to 25,389.45, 35,000.93 and 17,812.31 is: 24,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.45 : 35,000.93 = 17,812.31 : x
  2. Step 2: Convert to fraction form
    25,389.45/35,000.93 = 17,812.31/x
  3. Step 3: Cross multiply
    25,389.45x = 35,000.93 × 17,812.31
  4. Step 4: Simplify right side
    25,389.45x = 623,447,184.78
  5. Step 5: Solve for x
    x = 623,447,184.78/25,389.45
  6. Step 6: Final answer
    x = 24,555.36

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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.