Home / 25,666.87-35,419.41-14,336.28

Finding the Fourth Proportional to 25,666.87, 35,419.41 and 14,336.28

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Solution

The fourth proportional to 25,666.87, 35,419.41 and 14,336.28 is: 19,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.87 : 35,419.41 = 14,336.28 : x
  2. Step 2: Convert to fraction form
    25,666.87/35,419.41 = 14,336.28/x
  3. Step 3: Cross multiply
    25,666.87x = 35,419.41 × 14,336.28
  4. Step 4: Simplify right side
    25,666.87x = 507,782,579.19
  5. Step 5: Solve for x
    x = 507,782,579.19/25,666.87
  6. Step 6: Final answer
    x = 19,783.58

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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.