Home / 14,810.78-22,218.50-8,886.28

Finding the Fourth Proportional to 14,810.78, 22,218.50 and 8,886.28

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Solution

The fourth proportional to 14,810.78, 22,218.50 and 8,886.28 is: 13,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.78 : 22,218.50 = 8,886.28 : x
  2. Step 2: Convert to fraction form
    14,810.78/22,218.50 = 8,886.28/x
  3. Step 3: Cross multiply
    14,810.78x = 22,218.50 × 8,886.28
  4. Step 4: Simplify right side
    14,810.78x = 197,439,812.18
  5. Step 5: Solve for x
    x = 197,439,812.18/14,810.78
  6. Step 6: Final answer
    x = 13,330.82

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1.5x scale

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.