Home / 25,534.14-35,254.47-18,820.54

Finding the Fourth Proportional to 25,534.14, 35,254.47 and 18,820.54

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Solution

The fourth proportional to 25,534.14, 35,254.47 and 18,820.54 is: 25,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,534.14 : 35,254.47 = 18,820.54 : x
  2. Step 2: Convert to fraction form
    25,534.14/35,254.47 = 18,820.54/x
  3. Step 3: Cross multiply
    25,534.14x = 35,254.47 × 18,820.54
  4. Step 4: Simplify right side
    25,534.14x = 663,508,162.81
  5. Step 5: Solve for x
    x = 663,508,162.81/25,534.14
  6. Step 6: Final answer
    x = 25,985.14

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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.