Home / 19,048.80-26,287.27-10,982.40

Finding the Fourth Proportional to 19,048.80, 26,287.27 and 10,982.40

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Solution

The fourth proportional to 19,048.80, 26,287.27 and 10,982.40 is: 15,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.80 : 26,287.27 = 10,982.40 : x
  2. Step 2: Convert to fraction form
    19,048.80/26,287.27 = 10,982.40/x
  3. Step 3: Cross multiply
    19,048.80x = 26,287.27 × 10,982.40
  4. Step 4: Simplify right side
    19,048.80x = 288,697,314.05
  5. Step 5: Solve for x
    x = 288,697,314.05/19,048.80
  6. Step 6: Final answer
    x = 15,155.67

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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.