Home / 19,185.54-26,474.25-10,686.81

Finding the Fourth Proportional to 19,185.54, 26,474.25 and 10,686.81

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Solution

The fourth proportional to 19,185.54, 26,474.25 and 10,686.81 is: 14,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.54 : 26,474.25 = 10,686.81 : x
  2. Step 2: Convert to fraction form
    19,185.54/26,474.25 = 10,686.81/x
  3. Step 3: Cross multiply
    19,185.54x = 26,474.25 × 10,686.81
  4. Step 4: Simplify right side
    19,185.54x = 282,925,279.64
  5. Step 5: Solve for x
    x = 282,925,279.64/19,185.54
  6. Step 6: Final answer
    x = 14,746.80

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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.