Home / 24,987.21-34,482.27-13,656.71

Finding the Fourth Proportional to 24,987.21, 34,482.27 and 13,656.71

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Solution

The fourth proportional to 24,987.21, 34,482.27 and 13,656.71 is: 18,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.21 : 34,482.27 = 13,656.71 : x
  2. Step 2: Convert to fraction form
    24,987.21/34,482.27 = 13,656.71/x
  3. Step 3: Cross multiply
    24,987.21x = 34,482.27 × 13,656.71
  4. Step 4: Simplify right side
    24,987.21x = 470,914,361.53
  5. Step 5: Solve for x
    x = 470,914,361.53/24,987.21
  6. Step 6: Final answer
    x = 18,846.22

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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.