Home / 14,295.10-19,720.61-9,261.02

Finding the Fourth Proportional to 14,295.10, 19,720.61 and 9,261.02

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Solution

The fourth proportional to 14,295.10, 19,720.61 and 9,261.02 is: 12,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.10 : 19,720.61 = 9,261.02 : x
  2. Step 2: Convert to fraction form
    14,295.10/19,720.61 = 9,261.02/x
  3. Step 3: Cross multiply
    14,295.10x = 19,720.61 × 9,261.02
  4. Step 4: Simplify right side
    14,295.10x = 182,632,818.71
  5. Step 5: Solve for x
    x = 182,632,818.71/14,295.10
  6. Step 6: Final answer
    x = 12,775.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.