Home / 25,014.40-34,520.64-14,406.16

Finding the Fourth Proportional to 25,014.40, 34,520.64 and 14,406.16

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Solution

The fourth proportional to 25,014.40, 34,520.64 and 14,406.16 is: 19,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.40 : 34,520.64 = 14,406.16 : x
  2. Step 2: Convert to fraction form
    25,014.40/34,520.64 = 14,406.16/x
  3. Step 3: Cross multiply
    25,014.40x = 34,520.64 × 14,406.16
  4. Step 4: Simplify right side
    25,014.40x = 497,309,863.14
  5. Step 5: Solve for x
    x = 497,309,863.14/25,014.40
  6. Step 6: Final answer
    x = 19,880.94

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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.