Home / 19,458.81-26,852.45-11,902.32

Finding the Fourth Proportional to 19,458.81, 26,852.45 and 11,902.32

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Solution

The fourth proportional to 19,458.81, 26,852.45 and 11,902.32 is: 16,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.81 : 26,852.45 = 11,902.32 : x
  2. Step 2: Convert to fraction form
    19,458.81/26,852.45 = 11,902.32/x
  3. Step 3: Cross multiply
    19,458.81x = 26,852.45 × 11,902.32
  4. Step 4: Simplify right side
    19,458.81x = 319,606,393.17
  5. Step 5: Solve for x
    x = 319,606,393.17/19,458.81
  6. Step 6: Final answer
    x = 16,424.77

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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.