Home / 19,953.53-27,534.76-10,999.48

Finding the Fourth Proportional to 19,953.53, 27,534.76 and 10,999.48

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Solution

The fourth proportional to 19,953.53, 27,534.76 and 10,999.48 is: 15,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.53 : 27,534.76 = 10,999.48 : x
  2. Step 2: Convert to fraction form
    19,953.53/27,534.76 = 10,999.48/x
  3. Step 3: Cross multiply
    19,953.53x = 27,534.76 × 10,999.48
  4. Step 4: Simplify right side
    19,953.53x = 302,868,041.92
  5. Step 5: Solve for x
    x = 302,868,041.92/19,953.53
  6. Step 6: Final answer
    x = 15,178.67

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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.