Home / 15,408.40-23,125.56-14,436.40

Finding the Fourth Proportional to 15,408.40, 23,125.56 and 14,436.40

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Solution

The fourth proportional to 15,408.40, 23,125.56 and 14,436.40 is: 21,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.40 : 23,125.56 = 14,436.40 : x
  2. Step 2: Convert to fraction form
    15,408.40/23,125.56 = 14,436.40/x
  3. Step 3: Cross multiply
    15,408.40x = 23,125.56 × 14,436.40
  4. Step 4: Simplify right side
    15,408.40x = 333,849,646.57
  5. Step 5: Solve for x
    x = 333,849,646.57/15,408.40
  6. Step 6: Final answer
    x = 21,666.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.