Home / 25,669.51-35,420.16-14,337.61

Finding the Fourth Proportional to 25,669.51, 35,420.16 and 14,337.61

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Solution

The fourth proportional to 25,669.51, 35,420.16 and 14,337.61 is: 19,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.51 : 35,420.16 = 14,337.61 : x
  2. Step 2: Convert to fraction form
    25,669.51/35,420.16 = 14,337.61/x
  3. Step 3: Cross multiply
    25,669.51x = 35,420.16 × 14,337.61
  4. Step 4: Simplify right side
    25,669.51x = 507,840,440.22
  5. Step 5: Solve for x
    x = 507,840,440.22/25,669.51
  6. Step 6: Final answer
    x = 19,783.80

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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.