Home / 19,597.90-27,030.20-13,558.19

Finding the Fourth Proportional to 19,597.90, 27,030.20 and 13,558.19

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Solution

The fourth proportional to 19,597.90, 27,030.20 and 13,558.19 is: 18,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.90 : 27,030.20 = 13,558.19 : x
  2. Step 2: Convert to fraction form
    19,597.90/27,030.20 = 13,558.19/x
  3. Step 3: Cross multiply
    19,597.90x = 27,030.20 × 13,558.19
  4. Step 4: Simplify right side
    19,597.90x = 366,480,498.47
  5. Step 5: Solve for x
    x = 366,480,498.47/19,597.90
  6. Step 6: Final answer
    x = 18,699.99

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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.