Home / 19,247.79-26,580.29-18,199.52

Finding the Fourth Proportional to 19,247.79, 26,580.29 and 18,199.52

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Solution

The fourth proportional to 19,247.79, 26,580.29 and 18,199.52 is: 25,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.79 : 26,580.29 = 18,199.52 : x
  2. Step 2: Convert to fraction form
    19,247.79/26,580.29 = 18,199.52/x
  3. Step 3: Cross multiply
    19,247.79x = 26,580.29 × 18,199.52
  4. Step 4: Simplify right side
    19,247.79x = 483,748,432.06
  5. Step 5: Solve for x
    x = 483,748,432.06/19,247.79
  6. Step 6: Final answer
    x = 25,132.67

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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.