Home / 16,851.19-23,254.54-9,681.58

Finding the Fourth Proportional to 16,851.19, 23,254.54 and 9,681.58

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Solution

The fourth proportional to 16,851.19, 23,254.54 and 9,681.58 is: 13,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.19 : 23,254.54 = 9,681.58 : x
  2. Step 2: Convert to fraction form
    16,851.19/23,254.54 = 9,681.58/x
  3. Step 3: Cross multiply
    16,851.19x = 23,254.54 × 9,681.58
  4. Step 4: Simplify right side
    16,851.19x = 225,140,617.89
  5. Step 5: Solve for x
    x = 225,140,617.89/16,851.19
  6. Step 6: Final answer
    x = 13,360.52

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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.