Home / 19,970.84-29,925.46-9,827.57

Finding the Fourth Proportional to 19,970.84, 29,925.46 and 9,827.57

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Solution

The fourth proportional to 19,970.84, 29,925.46 and 9,827.57 is: 14,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.84 : 29,925.46 = 9,827.57 : x
  2. Step 2: Convert to fraction form
    19,970.84/29,925.46 = 9,827.57/x
  3. Step 3: Cross multiply
    19,970.84x = 29,925.46 × 9,827.57
  4. Step 4: Simplify right side
    19,970.84x = 294,094,552.93
  5. Step 5: Solve for x
    x = 294,094,552.93/19,970.84
  6. Step 6: Final answer
    x = 14,726.20

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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.