Home / 19,045.13-26,276.19-12,335.90

Finding the Fourth Proportional to 19,045.13, 26,276.19 and 12,335.90

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Solution

The fourth proportional to 19,045.13, 26,276.19 and 12,335.90 is: 17,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.13 : 26,276.19 = 12,335.90 : x
  2. Step 2: Convert to fraction form
    19,045.13/26,276.19 = 12,335.90/x
  3. Step 3: Cross multiply
    19,045.13x = 26,276.19 × 12,335.90
  4. Step 4: Simplify right side
    19,045.13x = 324,140,320.84
  5. Step 5: Solve for x
    x = 324,140,320.84/19,045.13
  6. Step 6: Final answer
    x = 17,019.60

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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.