Home / 25,666.48-35,418.18-14,909.68

Finding the Fourth Proportional to 25,666.48, 35,418.18 and 14,909.68

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Solution

The fourth proportional to 25,666.48, 35,418.18 and 14,909.68 is: 20,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.48 : 35,418.18 = 14,909.68 : x
  2. Step 2: Convert to fraction form
    25,666.48/35,418.18 = 14,909.68/x
  3. Step 3: Cross multiply
    25,666.48x = 35,418.18 × 14,909.68
  4. Step 4: Simplify right side
    25,666.48x = 528,073,729.98
  5. Step 5: Solve for x
    x = 528,073,729.98/25,666.48
  6. Step 6: Final answer
    x = 20,574.45

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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.