Home / 19,020.69-26,246.54-10,521.47

Finding the Fourth Proportional to 19,020.69, 26,246.54 and 10,521.47

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Solution

The fourth proportional to 19,020.69, 26,246.54 and 10,521.47 is: 14,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.69 : 26,246.54 = 10,521.47 : x
  2. Step 2: Convert to fraction form
    19,020.69/26,246.54 = 10,521.47/x
  3. Step 3: Cross multiply
    19,020.69x = 26,246.54 × 10,521.47
  4. Step 4: Simplify right side
    19,020.69x = 276,151,999.37
  5. Step 5: Solve for x
    x = 276,151,999.37/19,020.69
  6. Step 6: Final answer
    x = 14,518.51

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Double scale
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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.