Home / 19,095.94-26,259.96-15,271.12

Finding the Fourth Proportional to 19,095.94, 26,259.96 and 15,271.12

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Solution

The fourth proportional to 19,095.94, 26,259.96 and 15,271.12 is: 21,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.94 : 26,259.96 = 15,271.12 : x
  2. Step 2: Convert to fraction form
    19,095.94/26,259.96 = 15,271.12/x
  3. Step 3: Cross multiply
    19,095.94x = 26,259.96 × 15,271.12
  4. Step 4: Simplify right side
    19,095.94x = 401,019,000.36
  5. Step 5: Solve for x
    x = 401,019,000.36/19,095.94
  6. Step 6: Final answer
    x = 21,000.22

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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.