Home / 19,003.80-26,224.68-10,620.28

Finding the Fourth Proportional to 19,003.80, 26,224.68 and 10,620.28

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Solution

The fourth proportional to 19,003.80, 26,224.68 and 10,620.28 is: 14,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.80 : 26,224.68 = 10,620.28 : x
  2. Step 2: Convert to fraction form
    19,003.80/26,224.68 = 10,620.28/x
  3. Step 3: Cross multiply
    19,003.80x = 26,224.68 × 10,620.28
  4. Step 4: Simplify right side
    19,003.80x = 278,513,444.51
  5. Step 5: Solve for x
    x = 278,513,444.51/19,003.80
  6. Step 6: Final answer
    x = 14,655.67

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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.