Home / 19,017.83-26,253.80-12,655.04

Finding the Fourth Proportional to 19,017.83, 26,253.80 and 12,655.04

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Solution

The fourth proportional to 19,017.83, 26,253.80 and 12,655.04 is: 17,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.83 : 26,253.80 = 12,655.04 : x
  2. Step 2: Convert to fraction form
    19,017.83/26,253.80 = 12,655.04/x
  3. Step 3: Cross multiply
    19,017.83x = 26,253.80 × 12,655.04
  4. Step 4: Simplify right side
    19,017.83x = 332,242,694.61
  5. Step 5: Solve for x
    x = 332,242,694.61/19,017.83
  6. Step 6: Final answer
    x = 17,470.07

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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.