Home / 19,069.50-26,315.91-10,688.70

Finding the Fourth Proportional to 19,069.50, 26,315.91 and 10,688.70

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Solution

The fourth proportional to 19,069.50, 26,315.91 and 10,688.70 is: 14,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.50 : 26,315.91 = 10,688.70 : x
  2. Step 2: Convert to fraction form
    19,069.50/26,315.91 = 10,688.70/x
  3. Step 3: Cross multiply
    19,069.50x = 26,315.91 × 10,688.70
  4. Step 4: Simplify right side
    19,069.50x = 281,282,867.22
  5. Step 5: Solve for x
    x = 281,282,867.22/19,069.50
  6. Step 6: Final answer
    x = 14,750.41

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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.