Home / 19,828.71-27,368.60-13,466.07

Finding the Fourth Proportional to 19,828.71, 27,368.60 and 13,466.07

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Solution

The fourth proportional to 19,828.71, 27,368.60 and 13,466.07 is: 18,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.71 : 27,368.60 = 13,466.07 : x
  2. Step 2: Convert to fraction form
    19,828.71/27,368.60 = 13,466.07/x
  3. Step 3: Cross multiply
    19,828.71x = 27,368.60 × 13,466.07
  4. Step 4: Simplify right side
    19,828.71x = 368,547,416.07
  5. Step 5: Solve for x
    x = 368,547,416.07/19,828.71
  6. Step 6: Final answer
    x = 18,586.56

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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.