Home / 25,821.13-35,633.16-14,643.13

Finding the Fourth Proportional to 25,821.13, 35,633.16 and 14,643.13

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Solution

The fourth proportional to 25,821.13, 35,633.16 and 14,643.13 is: 20,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.13 : 35,633.16 = 14,643.13 : x
  2. Step 2: Convert to fraction form
    25,821.13/35,633.16 = 14,643.13/x
  3. Step 3: Cross multiply
    25,821.13x = 35,633.16 × 14,643.13
  4. Step 4: Simplify right side
    25,821.13x = 521,780,742.81
  5. Step 5: Solve for x
    x = 521,780,742.81/25,821.13
  6. Step 6: Final answer
    x = 20,207.51

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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.