Home / 25,409.85-35,068.19-14,655.15

Finding the Fourth Proportional to 25,409.85, 35,068.19 and 14,655.15

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Solution

The fourth proportional to 25,409.85, 35,068.19 and 14,655.15 is: 20,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.85 : 35,068.19 = 14,655.15 : x
  2. Step 2: Convert to fraction form
    25,409.85/35,068.19 = 14,655.15/x
  3. Step 3: Cross multiply
    25,409.85x = 35,068.19 × 14,655.15
  4. Step 4: Simplify right side
    25,409.85x = 513,929,584.68
  5. Step 5: Solve for x
    x = 513,929,584.68/25,409.85
  6. Step 6: Final answer
    x = 20,225.60

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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.