Home / 23,187.64-31,999.04-12,577.45

Finding the Fourth Proportional to 23,187.64, 31,999.04 and 12,577.45

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Solution

The fourth proportional to 23,187.64, 31,999.04 and 12,577.45 is: 17,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.64 : 31,999.04 = 12,577.45 : x
  2. Step 2: Convert to fraction form
    23,187.64/31,999.04 = 12,577.45/x
  3. Step 3: Cross multiply
    23,187.64x = 31,999.04 × 12,577.45
  4. Step 4: Simplify right side
    23,187.64x = 402,466,325.65
  5. Step 5: Solve for x
    x = 402,466,325.65/23,187.64
  6. Step 6: Final answer
    x = 17,356.93

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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.