Home / 19,209.63-26,509.75-10,711.66

Finding the Fourth Proportional to 19,209.63, 26,509.75 and 10,711.66

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Solution

The fourth proportional to 19,209.63, 26,509.75 and 10,711.66 is: 14,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.63 : 26,509.75 = 10,711.66 : x
  2. Step 2: Convert to fraction form
    19,209.63/26,509.75 = 10,711.66/x
  3. Step 3: Cross multiply
    19,209.63x = 26,509.75 × 10,711.66
  4. Step 4: Simplify right side
    19,209.63x = 283,963,542.37
  5. Step 5: Solve for x
    x = 283,963,542.37/19,209.63
  6. Step 6: Final answer
    x = 14,782.36

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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.