Home / 19,358.46-26,715.15-10,975.50

Finding the Fourth Proportional to 19,358.46, 26,715.15 and 10,975.50

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Solution

The fourth proportional to 19,358.46, 26,715.15 and 10,975.50 is: 15,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.46 : 26,715.15 = 10,975.50 : x
  2. Step 2: Convert to fraction form
    19,358.46/26,715.15 = 10,975.50/x
  3. Step 3: Cross multiply
    19,358.46x = 26,715.15 × 10,975.50
  4. Step 4: Simplify right side
    19,358.46x = 293,212,128.83
  5. Step 5: Solve for x
    x = 293,212,128.83/19,358.46
  6. Step 6: Final answer
    x = 15,146.46

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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.