Home / 19,385.24-26,749.61-10,888.28

Finding the Fourth Proportional to 19,385.24, 26,749.61 and 10,888.28

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Solution

The fourth proportional to 19,385.24, 26,749.61 and 10,888.28 is: 15,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.24 : 26,749.61 = 10,888.28 : x
  2. Step 2: Convert to fraction form
    19,385.24/26,749.61 = 10,888.28/x
  3. Step 3: Cross multiply
    19,385.24x = 26,749.61 × 10,888.28
  4. Step 4: Simplify right side
    19,385.24x = 291,257,055.38
  5. Step 5: Solve for x
    x = 291,257,055.38/19,385.24
  6. Step 6: Final answer
    x = 15,024.69

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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.