Home / 19,518.12-26,938.98-13,232.52

Finding the Fourth Proportional to 19,518.12, 26,938.98 and 13,232.52

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Solution

The fourth proportional to 19,518.12, 26,938.98 and 13,232.52 is: 18,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.12 : 26,938.98 = 13,232.52 : x
  2. Step 2: Convert to fraction form
    19,518.12/26,938.98 = 13,232.52/x
  3. Step 3: Cross multiply
    19,518.12x = 26,938.98 × 13,232.52
  4. Step 4: Simplify right side
    19,518.12x = 356,470,591.63
  5. Step 5: Solve for x
    x = 356,470,591.63/19,518.12
  6. Step 6: Final answer
    x = 18,263.57

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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.