Home / 19,406.32-26,765.06-13,030.99

Finding the Fourth Proportional to 19,406.32, 26,765.06 and 13,030.99

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Solution

The fourth proportional to 19,406.32, 26,765.06 and 13,030.99 is: 17,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.32 : 26,765.06 = 13,030.99 : x
  2. Step 2: Convert to fraction form
    19,406.32/26,765.06 = 13,030.99/x
  3. Step 3: Cross multiply
    19,406.32x = 26,765.06 × 13,030.99
  4. Step 4: Simplify right side
    19,406.32x = 348,775,097.14
  5. Step 5: Solve for x
    x = 348,775,097.14/19,406.32
  6. Step 6: Final answer
    x = 17,972.25

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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.