Home / 19,968.84-29,929.50-8,875.08

Finding the Fourth Proportional to 19,968.84, 29,929.50 and 8,875.08

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Solution

The fourth proportional to 19,968.84, 29,929.50 and 8,875.08 is: 13,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.84 : 29,929.50 = 8,875.08 : x
  2. Step 2: Convert to fraction form
    19,968.84/29,929.50 = 8,875.08/x
  3. Step 3: Cross multiply
    19,968.84x = 29,929.50 × 8,875.08
  4. Step 4: Simplify right side
    19,968.84x = 265,626,706.86
  5. Step 5: Solve for x
    x = 265,626,706.86/19,968.84
  6. Step 6: Final answer
    x = 13,302.06

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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.