Home / 19,509.55-26,926.00-12,805.18

Finding the Fourth Proportional to 19,509.55, 26,926.00 and 12,805.18

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Solution

The fourth proportional to 19,509.55, 26,926.00 and 12,805.18 is: 17,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.55 : 26,926.00 = 12,805.18 : x
  2. Step 2: Convert to fraction form
    19,509.55/26,926.00 = 12,805.18/x
  3. Step 3: Cross multiply
    19,509.55x = 26,926.00 × 12,805.18
  4. Step 4: Simplify right side
    19,509.55x = 344,792,376.01
  5. Step 5: Solve for x
    x = 344,792,376.01/19,509.55
  6. Step 6: Final answer
    x = 17,673.00

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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.