Home / 22,828.59-31,504.28-13,400.19

Finding the Fourth Proportional to 22,828.59, 31,504.28 and 13,400.19

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Solution

The fourth proportional to 22,828.59, 31,504.28 and 13,400.19 is: 18,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.59 : 31,504.28 = 13,400.19 : x
  2. Step 2: Convert to fraction form
    22,828.59/31,504.28 = 13,400.19/x
  3. Step 3: Cross multiply
    22,828.59x = 31,504.28 × 13,400.19
  4. Step 4: Simplify right side
    22,828.59x = 422,163,270.81
  5. Step 5: Solve for x
    x = 422,163,270.81/22,828.59
  6. Step 6: Final answer
    x = 18,492.74

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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.