Home / 19,970.19-29,931.99-15,023.94

Finding the Fourth Proportional to 19,970.19, 29,931.99 and 15,023.94

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Solution

The fourth proportional to 19,970.19, 29,931.99 and 15,023.94 is: 22,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.19 : 29,931.99 = 15,023.94 : x
  2. Step 2: Convert to fraction form
    19,970.19/29,931.99 = 15,023.94/x
  3. Step 3: Cross multiply
    19,970.19x = 29,931.99 × 15,023.94
  4. Step 4: Simplify right side
    19,970.19x = 449,696,421.84
  5. Step 5: Solve for x
    x = 449,696,421.84/19,970.19
  6. Step 6: Final answer
    x = 22,518.38

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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.