Home / 22,627.40-31,225.74-12,557.36

Finding the Fourth Proportional to 22,627.40, 31,225.74 and 12,557.36

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Solution

The fourth proportional to 22,627.40, 31,225.74 and 12,557.36 is: 17,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.40 : 31,225.74 = 12,557.36 : x
  2. Step 2: Convert to fraction form
    22,627.40/31,225.74 = 12,557.36/x
  3. Step 3: Cross multiply
    22,627.40x = 31,225.74 × 12,557.36
  4. Step 4: Simplify right side
    22,627.40x = 392,112,858.45
  5. Step 5: Solve for x
    x = 392,112,858.45/22,627.40
  6. Step 6: Final answer
    x = 17,329.12

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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.