Home / 19,133.81-28,560.26-17,724.75

Finding the Fourth Proportional to 19,133.81, 28,560.26 and 17,724.75

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Solution

The fourth proportional to 19,133.81, 28,560.26 and 17,724.75 is: 26,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.81 : 28,560.26 = 17,724.75 : x
  2. Step 2: Convert to fraction form
    19,133.81/28,560.26 = 17,724.75/x
  3. Step 3: Cross multiply
    19,133.81x = 28,560.26 × 17,724.75
  4. Step 4: Simplify right side
    19,133.81x = 506,223,379.81
  5. Step 5: Solve for x
    x = 506,223,379.81/19,133.81
  6. Step 6: Final answer
    x = 26,457.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.