Home / 19,368.55-26,724.45-12,664.02

Finding the Fourth Proportional to 19,368.55, 26,724.45 and 12,664.02

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Solution

The fourth proportional to 19,368.55, 26,724.45 and 12,664.02 is: 17,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.55 : 26,724.45 = 12,664.02 : x
  2. Step 2: Convert to fraction form
    19,368.55/26,724.45 = 12,664.02/x
  3. Step 3: Cross multiply
    19,368.55x = 26,724.45 × 12,664.02
  4. Step 4: Simplify right side
    19,368.55x = 338,438,969.29
  5. Step 5: Solve for x
    x = 338,438,969.29/19,368.55
  6. Step 6: Final answer
    x = 17,473.63

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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.