Home / 19,253.16-28,827.60-9,999.72

Finding the Fourth Proportional to 19,253.16, 28,827.60 and 9,999.72

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Solution

The fourth proportional to 19,253.16, 28,827.60 and 9,999.72 is: 14,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.16 : 28,827.60 = 9,999.72 : x
  2. Step 2: Convert to fraction form
    19,253.16/28,827.60 = 9,999.72/x
  3. Step 3: Cross multiply
    19,253.16x = 28,827.60 × 9,999.72
  4. Step 4: Simplify right side
    19,253.16x = 288,267,928.27
  5. Step 5: Solve for x
    x = 288,267,928.27/19,253.16
  6. Step 6: Final answer
    x = 14,972.50

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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.