Home / 25,578.60-35,291.54-14,970.84

Finding the Fourth Proportional to 25,578.60, 35,291.54 and 14,970.84

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Solution

The fourth proportional to 25,578.60, 35,291.54 and 14,970.84 is: 20,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.60 : 35,291.54 = 14,970.84 : x
  2. Step 2: Convert to fraction form
    25,578.60/35,291.54 = 14,970.84/x
  3. Step 3: Cross multiply
    25,578.60x = 35,291.54 × 14,970.84
  4. Step 4: Simplify right side
    25,578.60x = 528,343,998.69
  5. Step 5: Solve for x
    x = 528,343,998.69/25,578.60
  6. Step 6: Final answer
    x = 20,655.70

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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.