Home / 25,741.84-35,534.16-21,783.52

Finding the Fourth Proportional to 25,741.84, 35,534.16 and 21,783.52

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Solution

The fourth proportional to 25,741.84, 35,534.16 and 21,783.52 is: 30,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.84 : 35,534.16 = 21,783.52 : x
  2. Step 2: Convert to fraction form
    25,741.84/35,534.16 = 21,783.52/x
  3. Step 3: Cross multiply
    25,741.84x = 35,534.16 × 21,783.52
  4. Step 4: Simplify right side
    25,741.84x = 774,059,085.04
  5. Step 5: Solve for x
    x = 774,059,085.04/25,741.84
  6. Step 6: Final answer
    x = 30,070.08

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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.