Home / 22,430.18-30,953.50-12,358.34

Finding the Fourth Proportional to 22,430.18, 30,953.50 and 12,358.34

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Solution

The fourth proportional to 22,430.18, 30,953.50 and 12,358.34 is: 17,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.18 : 30,953.50 = 12,358.34 : x
  2. Step 2: Convert to fraction form
    22,430.18/30,953.50 = 12,358.34/x
  3. Step 3: Cross multiply
    22,430.18x = 30,953.50 × 12,358.34
  4. Step 4: Simplify right side
    22,430.18x = 382,533,877.19
  5. Step 5: Solve for x
    x = 382,533,877.19/22,430.18
  6. Step 6: Final answer
    x = 17,054.43

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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.