Home / 27,430.29-37,853.78-14,855.04

Finding the Fourth Proportional to 27,430.29, 37,853.78 and 14,855.04

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Solution

The fourth proportional to 27,430.29, 37,853.78 and 14,855.04 is: 20,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.29 : 37,853.78 = 14,855.04 : x
  2. Step 2: Convert to fraction form
    27,430.29/37,853.78 = 14,855.04/x
  3. Step 3: Cross multiply
    27,430.29x = 37,853.78 × 14,855.04
  4. Step 4: Simplify right side
    27,430.29x = 562,319,341.78
  5. Step 5: Solve for x
    x = 562,319,341.78/27,430.29
  6. Step 6: Final answer
    x = 20,499.94

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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.