Home / 19,228.12-26,533.36-12,526.56

Finding the Fourth Proportional to 19,228.12, 26,533.36 and 12,526.56

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Solution

The fourth proportional to 19,228.12, 26,533.36 and 12,526.56 is: 17,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.12 : 26,533.36 = 12,526.56 : x
  2. Step 2: Convert to fraction form
    19,228.12/26,533.36 = 12,526.56/x
  3. Step 3: Cross multiply
    19,228.12x = 26,533.36 × 12,526.56
  4. Step 4: Simplify right side
    19,228.12x = 332,371,726.04
  5. Step 5: Solve for x
    x = 332,371,726.04/19,228.12
  6. Step 6: Final answer
    x = 17,285.71

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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.