Home / 16,852.16-23,257.13-9,778.58

Finding the Fourth Proportional to 16,852.16, 23,257.13 and 9,778.58

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Solution

The fourth proportional to 16,852.16, 23,257.13 and 9,778.58 is: 13,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.16 : 23,257.13 = 9,778.58 : x
  2. Step 2: Convert to fraction form
    16,852.16/23,257.13 = 9,778.58/x
  3. Step 3: Cross multiply
    16,852.16x = 23,257.13 × 9,778.58
  4. Step 4: Simplify right side
    16,852.16x = 227,421,541.10
  5. Step 5: Solve for x
    x = 227,421,541.10/16,852.16
  6. Step 6: Final answer
    x = 13,495.10

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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.