Home / 19,298.32-26,632.44-12,588.40

Finding the Fourth Proportional to 19,298.32, 26,632.44 and 12,588.40

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Solution

The fourth proportional to 19,298.32, 26,632.44 and 12,588.40 is: 17,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.32 : 26,632.44 = 12,588.40 : x
  2. Step 2: Convert to fraction form
    19,298.32/26,632.44 = 12,588.40/x
  3. Step 3: Cross multiply
    19,298.32x = 26,632.44 × 12,588.40
  4. Step 4: Simplify right side
    19,298.32x = 335,259,807.70
  5. Step 5: Solve for x
    x = 335,259,807.70/19,298.32
  6. Step 6: Final answer
    x = 17,372.49

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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.