Home / 22,430.43-30,953.85-12,358.59

Finding the Fourth Proportional to 22,430.43, 30,953.85 and 12,358.59

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Solution

The fourth proportional to 22,430.43, 30,953.85 and 12,358.59 is: 17,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.43 : 30,953.85 = 12,358.59 : x
  2. Step 2: Convert to fraction form
    22,430.43/30,953.85 = 12,358.59/x
  3. Step 3: Cross multiply
    22,430.43x = 30,953.85 × 12,358.59
  4. Step 4: Simplify right side
    22,430.43x = 382,545,941.07
  5. Step 5: Solve for x
    x = 382,545,941.07/22,430.43
  6. Step 6: Final answer
    x = 17,054.78

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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.