Home / 27,140.06-37,453.29-15,203.40

Finding the Fourth Proportional to 27,140.06, 37,453.29 and 15,203.40

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Solution

The fourth proportional to 27,140.06, 37,453.29 and 15,203.40 is: 20,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.06 : 37,453.29 = 15,203.40 : x
  2. Step 2: Convert to fraction form
    27,140.06/37,453.29 = 15,203.40/x
  3. Step 3: Cross multiply
    27,140.06x = 37,453.29 × 15,203.40
  4. Step 4: Simplify right side
    27,140.06x = 569,417,151.72
  5. Step 5: Solve for x
    x = 569,417,151.72/27,140.06
  6. Step 6: Final answer
    x = 20,980.69

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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.