Home / 19,283.36-28,925.56-9,430.48

Finding the Fourth Proportional to 19,283.36, 28,925.56 and 9,430.48

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Solution

The fourth proportional to 19,283.36, 28,925.56 and 9,430.48 is: 14,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.36 : 28,925.56 = 9,430.48 : x
  2. Step 2: Convert to fraction form
    19,283.36/28,925.56 = 9,430.48/x
  3. Step 3: Cross multiply
    19,283.36x = 28,925.56 × 9,430.48
  4. Step 4: Simplify right side
    19,283.36x = 272,781,915.07
  5. Step 5: Solve for x
    x = 272,781,915.07/19,283.36
  6. Step 6: Final answer
    x = 14,145.97

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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.