Home / 19,271.72-26,598.04-11,720.46

Finding the Fourth Proportional to 19,271.72, 26,598.04 and 11,720.46

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Solution

The fourth proportional to 19,271.72, 26,598.04 and 11,720.46 is: 16,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.72 : 26,598.04 = 11,720.46 : x
  2. Step 2: Convert to fraction form
    19,271.72/26,598.04 = 11,720.46/x
  3. Step 3: Cross multiply
    19,271.72x = 26,598.04 × 11,720.46
  4. Step 4: Simplify right side
    19,271.72x = 311,741,263.90
  5. Step 5: Solve for x
    x = 311,741,263.90/19,271.72
  6. Step 6: Final answer
    x = 16,176.10

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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.