Home / 19,498.56-26,920.32-13,528.32

Finding the Fourth Proportional to 19,498.56, 26,920.32 and 13,528.32

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Solution

The fourth proportional to 19,498.56, 26,920.32 and 13,528.32 is: 18,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.56 : 26,920.32 = 13,528.32 : x
  2. Step 2: Convert to fraction form
    19,498.56/26,920.32 = 13,528.32/x
  3. Step 3: Cross multiply
    19,498.56x = 26,920.32 × 13,528.32
  4. Step 4: Simplify right side
    19,498.56x = 364,186,703.46
  5. Step 5: Solve for x
    x = 364,186,703.46/19,498.56
  6. Step 6: Final answer
    x = 18,677.62

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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.