Home / 22,740.16-31,370.52-14,784.88

Finding the Fourth Proportional to 22,740.16, 31,370.52 and 14,784.88

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Solution

The fourth proportional to 22,740.16, 31,370.52 and 14,784.88 is: 20,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.16 : 31,370.52 = 14,784.88 : x
  2. Step 2: Convert to fraction form
    22,740.16/31,370.52 = 14,784.88/x
  3. Step 3: Cross multiply
    22,740.16x = 31,370.52 × 14,784.88
  4. Step 4: Simplify right side
    22,740.16x = 463,809,373.74
  5. Step 5: Solve for x
    x = 463,809,373.74/22,740.16
  6. Step 6: Final answer
    x = 20,396.05

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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.