Home / 25,430.32-35,081.34-22,068.40

Finding the Fourth Proportional to 25,430.32, 35,081.34 and 22,068.40

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Solution

The fourth proportional to 25,430.32, 35,081.34 and 22,068.40 is: 30,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.32 : 35,081.34 = 22,068.40 : x
  2. Step 2: Convert to fraction form
    25,430.32/35,081.34 = 22,068.40/x
  3. Step 3: Cross multiply
    25,430.32x = 35,081.34 × 22,068.40
  4. Step 4: Simplify right side
    25,430.32x = 774,189,043.66
  5. Step 5: Solve for x
    x = 774,189,043.66/25,430.32
  6. Step 6: Final answer
    x = 30,443.54

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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.