Home / 19,068.75-26,316.50-10,686.87

Finding the Fourth Proportional to 19,068.75, 26,316.50 and 10,686.87

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Solution

The fourth proportional to 19,068.75, 26,316.50 and 10,686.87 is: 14,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.75 : 26,316.50 = 10,686.87 : x
  2. Step 2: Convert to fraction form
    19,068.75/26,316.50 = 10,686.87/x
  3. Step 3: Cross multiply
    19,068.75x = 26,316.50 × 10,686.87
  4. Step 4: Simplify right side
    19,068.75x = 281,240,960.92
  5. Step 5: Solve for x
    x = 281,240,960.92/19,068.75
  6. Step 6: Final answer
    x = 14,748.79

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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.