Home / 19,688.43-29,532.76-4,897.35

Finding the Fourth Proportional to 19,688.43, 29,532.76 and 4,897.35

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Solution

The fourth proportional to 19,688.43, 29,532.76 and 4,897.35 is: 7,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.43 : 29,532.76 = 4,897.35 : x
  2. Step 2: Convert to fraction form
    19,688.43/29,532.76 = 4,897.35/x
  3. Step 3: Cross multiply
    19,688.43x = 29,532.76 × 4,897.35
  4. Step 4: Simplify right side
    19,688.43x = 144,632,262.19
  5. Step 5: Solve for x
    x = 144,632,262.19/19,688.43
  6. Step 6: Final answer
    x = 7,346.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.