Home / 19,117.04-26,380.63-10,619.72

Finding the Fourth Proportional to 19,117.04, 26,380.63 and 10,619.72

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Solution

The fourth proportional to 19,117.04, 26,380.63 and 10,619.72 is: 14,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.04 : 26,380.63 = 10,619.72 : x
  2. Step 2: Convert to fraction form
    19,117.04/26,380.63 = 10,619.72/x
  3. Step 3: Cross multiply
    19,117.04x = 26,380.63 × 10,619.72
  4. Step 4: Simplify right side
    19,117.04x = 280,154,719.02
  5. Step 5: Solve for x
    x = 280,154,719.02/19,117.04
  6. Step 6: Final answer
    x = 14,654.71

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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.