Home / 25,314.18-34,933.64-13,983.45

Finding the Fourth Proportional to 25,314.18, 34,933.64 and 13,983.45

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Solution

The fourth proportional to 25,314.18, 34,933.64 and 13,983.45 is: 19,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.18 : 34,933.64 = 13,983.45 : x
  2. Step 2: Convert to fraction form
    25,314.18/34,933.64 = 13,983.45/x
  3. Step 3: Cross multiply
    25,314.18x = 34,933.64 × 13,983.45
  4. Step 4: Simplify right side
    25,314.18x = 488,492,808.26
  5. Step 5: Solve for x
    x = 488,492,808.26/25,314.18
  6. Step 6: Final answer
    x = 19,297.20

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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.