Home / 19,158.95-26,434.19-11,203.13

Finding the Fourth Proportional to 19,158.95, 26,434.19 and 11,203.13

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Solution

The fourth proportional to 19,158.95, 26,434.19 and 11,203.13 is: 15,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.95 : 26,434.19 = 11,203.13 : x
  2. Step 2: Convert to fraction form
    19,158.95/26,434.19 = 11,203.13/x
  3. Step 3: Cross multiply
    19,158.95x = 26,434.19 × 11,203.13
  4. Step 4: Simplify right side
    19,158.95x = 296,145,611.00
  5. Step 5: Solve for x
    x = 296,145,611.00/19,158.95
  6. Step 6: Final answer
    x = 15,457.30

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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.