Home / 19,303.56-26,640.18-10,806.48

Finding the Fourth Proportional to 19,303.56, 26,640.18 and 10,806.48

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Solution

The fourth proportional to 19,303.56, 26,640.18 and 10,806.48 is: 14,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.56 : 26,640.18 = 10,806.48 : x
  2. Step 2: Convert to fraction form
    19,303.56/26,640.18 = 10,806.48/x
  3. Step 3: Cross multiply
    19,303.56x = 26,640.18 × 10,806.48
  4. Step 4: Simplify right side
    19,303.56x = 287,886,572.37
  5. Step 5: Solve for x
    x = 287,886,572.37/19,303.56
  6. Step 6: Final answer
    x = 14,913.65

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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.