Home / 19,328.68-26,632.42-13,030.12

Finding the Fourth Proportional to 19,328.68, 26,632.42 and 13,030.12

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Solution

The fourth proportional to 19,328.68, 26,632.42 and 13,030.12 is: 17,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.68 : 26,632.42 = 13,030.12 : x
  2. Step 2: Convert to fraction form
    19,328.68/26,632.42 = 13,030.12/x
  3. Step 3: Cross multiply
    19,328.68x = 26,632.42 × 13,030.12
  4. Step 4: Simplify right side
    19,328.68x = 347,023,628.49
  5. Step 5: Solve for x
    x = 347,023,628.49/19,328.68
  6. Step 6: Final answer
    x = 17,953.82

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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.