Home / 23,107.60-34,661.40-9,985.60

Finding the Fourth Proportional to 23,107.60, 34,661.40 and 9,985.60

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Solution

The fourth proportional to 23,107.60, 34,661.40 and 9,985.60 is: 14,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.60 : 34,661.40 = 9,985.60 : x
  2. Step 2: Convert to fraction form
    23,107.60/34,661.40 = 9,985.60/x
  3. Step 3: Cross multiply
    23,107.60x = 34,661.40 × 9,985.60
  4. Step 4: Simplify right side
    23,107.60x = 346,114,875.84
  5. Step 5: Solve for x
    x = 346,114,875.84/23,107.60
  6. Step 6: Final answer
    x = 14,978.40

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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.