Home / 53,007.48-79,513.98-13,564.84

Finding the Fourth Proportional to 53,007.48, 79,513.98 and 13,564.84

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Solution

The fourth proportional to 53,007.48, 79,513.98 and 13,564.84 is: 20,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.48 : 79,513.98 = 13,564.84 : x
  2. Step 2: Convert to fraction form
    53,007.48/79,513.98 = 13,564.84/x
  3. Step 3: Cross multiply
    53,007.48x = 79,513.98 × 13,564.84
  4. Step 4: Simplify right side
    53,007.48x = 1,078,594,416.46
  5. Step 5: Solve for x
    x = 1,078,594,416.46/53,007.48
  6. Step 6: Final answer
    x = 20,347.97

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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.