Home / 19,113.17-26,366.95-13,451.00

Finding the Fourth Proportional to 19,113.17, 26,366.95 and 13,451.00

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Solution

The fourth proportional to 19,113.17, 26,366.95 and 13,451.00 is: 18,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.17 : 26,366.95 = 13,451.00 : x
  2. Step 2: Convert to fraction form
    19,113.17/26,366.95 = 13,451.00/x
  3. Step 3: Cross multiply
    19,113.17x = 26,366.95 × 13,451.00
  4. Step 4: Simplify right side
    19,113.17x = 354,661,729.43
  5. Step 5: Solve for x
    x = 354,661,729.43/19,113.17
  6. Step 6: Final answer
    x = 18,555.89

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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.