Home / 25,533.32-35,230.77-14,920.90

Finding the Fourth Proportional to 25,533.32, 35,230.77 and 14,920.90

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Solution

The fourth proportional to 25,533.32, 35,230.77 and 14,920.90 is: 20,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.32 : 35,230.77 = 14,920.90 : x
  2. Step 2: Convert to fraction form
    25,533.32/35,230.77 = 14,920.90/x
  3. Step 3: Cross multiply
    25,533.32x = 35,230.77 × 14,920.90
  4. Step 4: Simplify right side
    25,533.32x = 525,674,708.02
  5. Step 5: Solve for x
    x = 525,674,708.02/25,533.32
  6. Step 6: Final answer
    x = 20,587.80

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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.