Home / 25,679.64-35,436.63-14,346.90

Finding the Fourth Proportional to 25,679.64, 35,436.63 and 14,346.90

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Solution

The fourth proportional to 25,679.64, 35,436.63 and 14,346.90 is: 19,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.64 : 35,436.63 = 14,346.90 : x
  2. Step 2: Convert to fraction form
    25,679.64/35,436.63 = 14,346.90/x
  3. Step 3: Cross multiply
    25,679.64x = 35,436.63 × 14,346.90
  4. Step 4: Simplify right side
    25,679.64x = 508,405,786.95
  5. Step 5: Solve for x
    x = 508,405,786.95/25,679.64
  6. Step 6: Final answer
    x = 19,798.01

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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.