Home / 22,788.51-31,448.08-12,716.84

Finding the Fourth Proportional to 22,788.51, 31,448.08 and 12,716.84

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Solution

The fourth proportional to 22,788.51, 31,448.08 and 12,716.84 is: 17,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.51 : 31,448.08 = 12,716.84 : x
  2. Step 2: Convert to fraction form
    22,788.51/31,448.08 = 12,716.84/x
  3. Step 3: Cross multiply
    22,788.51x = 31,448.08 × 12,716.84
  4. Step 4: Simplify right side
    22,788.51x = 399,919,980.84
  5. Step 5: Solve for x
    x = 399,919,980.84/22,788.51
  6. Step 6: Final answer
    x = 17,549.20

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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.