Home / 22,740.04-31,382.34-12,669.16

Finding the Fourth Proportional to 22,740.04, 31,382.34 and 12,669.16

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Solution

The fourth proportional to 22,740.04, 31,382.34 and 12,669.16 is: 17,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.04 : 31,382.34 = 12,669.16 : x
  2. Step 2: Convert to fraction form
    22,740.04/31,382.34 = 12,669.16/x
  3. Step 3: Cross multiply
    22,740.04x = 31,382.34 × 12,669.16
  4. Step 4: Simplify right side
    22,740.04x = 397,587,886.63
  5. Step 5: Solve for x
    x = 397,587,886.63/22,740.04
  6. Step 6: Final answer
    x = 17,484.05

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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.