Home / 25,807.20-35,566.32-19,509.60

Finding the Fourth Proportional to 25,807.20, 35,566.32 and 19,509.60

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Solution

The fourth proportional to 25,807.20, 35,566.32 and 19,509.60 is: 26,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.20 : 35,566.32 = 19,509.60 : x
  2. Step 2: Convert to fraction form
    25,807.20/35,566.32 = 19,509.60/x
  3. Step 3: Cross multiply
    25,807.20x = 35,566.32 × 19,509.60
  4. Step 4: Simplify right side
    25,807.20x = 693,884,676.67
  5. Step 5: Solve for x
    x = 693,884,676.67/25,807.20
  6. Step 6: Final answer
    x = 26,887.25

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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.