Home / 19,133.04-26,397.72-12,851.76

Finding the Fourth Proportional to 19,133.04, 26,397.72 and 12,851.76

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Solution

The fourth proportional to 19,133.04, 26,397.72 and 12,851.76 is: 17,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.04 : 26,397.72 = 12,851.76 : x
  2. Step 2: Convert to fraction form
    19,133.04/26,397.72 = 12,851.76/x
  3. Step 3: Cross multiply
    19,133.04x = 26,397.72 × 12,851.76
  4. Step 4: Simplify right side
    19,133.04x = 339,257,161.99
  5. Step 5: Solve for x
    x = 339,257,161.99/19,133.04
  6. Step 6: Final answer
    x = 17,731.48

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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.