Home / 19,159.20-26,434.53-11,203.38

Finding the Fourth Proportional to 19,159.20, 26,434.53 and 11,203.38

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Solution

The fourth proportional to 19,159.20, 26,434.53 and 11,203.38 is: 15,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.20 : 26,434.53 = 11,203.38 : x
  2. Step 2: Convert to fraction form
    19,159.20/26,434.53 = 11,203.38/x
  3. Step 3: Cross multiply
    19,159.20x = 26,434.53 × 11,203.38
  4. Step 4: Simplify right side
    19,159.20x = 296,156,084.71
  5. Step 5: Solve for x
    x = 296,156,084.71/19,159.20
  6. Step 6: Final answer
    x = 15,457.64

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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.