Home / 12,845.48-17,701.08-10,829.08

Finding the Fourth Proportional to 12,845.48, 17,701.08 and 10,829.08

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Solution

The fourth proportional to 12,845.48, 17,701.08 and 10,829.08 is: 14,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.48 : 17,701.08 = 10,829.08 : x
  2. Step 2: Convert to fraction form
    12,845.48/17,701.08 = 10,829.08/x
  3. Step 3: Cross multiply
    12,845.48x = 17,701.08 × 10,829.08
  4. Step 4: Simplify right side
    12,845.48x = 191,686,411.41
  5. Step 5: Solve for x
    x = 191,686,411.41/12,845.48
  6. Step 6: Final answer
    x = 14,922.48

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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.