Home / 19,248.42-26,548.10-13,290.06

Finding the Fourth Proportional to 19,248.42, 26,548.10 and 13,290.06

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Solution

The fourth proportional to 19,248.42, 26,548.10 and 13,290.06 is: 18,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.42 : 26,548.10 = 13,290.06 : x
  2. Step 2: Convert to fraction form
    19,248.42/26,548.10 = 13,290.06/x
  3. Step 3: Cross multiply
    19,248.42x = 26,548.10 × 13,290.06
  4. Step 4: Simplify right side
    19,248.42x = 352,825,841.89
  5. Step 5: Solve for x
    x = 352,825,841.89/19,248.42
  6. Step 6: Final answer
    x = 18,330.12

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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.