Home / 27,430.48-37,854.08-14,855.28

Finding the Fourth Proportional to 27,430.48, 37,854.08 and 14,855.28

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Solution

The fourth proportional to 27,430.48, 37,854.08 and 14,855.28 is: 20,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.48 : 37,854.08 = 14,855.28 : x
  2. Step 2: Convert to fraction form
    27,430.48/37,854.08 = 14,855.28/x
  3. Step 3: Cross multiply
    27,430.48x = 37,854.08 × 14,855.28
  4. Step 4: Simplify right side
    27,430.48x = 562,332,957.54
  5. Step 5: Solve for x
    x = 562,332,957.54/27,430.48
  6. Step 6: Final answer
    x = 20,500.30

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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.