Home / 25,669.47-35,423.51-14,339.13

Finding the Fourth Proportional to 25,669.47, 35,423.51 and 14,339.13

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Solution

The fourth proportional to 25,669.47, 35,423.51 and 14,339.13 is: 19,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.47 : 35,423.51 = 14,339.13 : x
  2. Step 2: Convert to fraction form
    25,669.47/35,423.51 = 14,339.13/x
  3. Step 3: Cross multiply
    25,669.47x = 35,423.51 × 14,339.13
  4. Step 4: Simplify right side
    25,669.47x = 507,942,243.25
  5. Step 5: Solve for x
    x = 507,942,243.25/25,669.47
  6. Step 6: Final answer
    x = 19,787.80

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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.