Home / 25,347.15-34,981.34-14,019.30

Finding the Fourth Proportional to 25,347.15, 34,981.34 and 14,019.30

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Solution

The fourth proportional to 25,347.15, 34,981.34 and 14,019.30 is: 19,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.15 : 34,981.34 = 14,019.30 : x
  2. Step 2: Convert to fraction form
    25,347.15/34,981.34 = 14,019.30/x
  3. Step 3: Cross multiply
    25,347.15x = 34,981.34 × 14,019.30
  4. Step 4: Simplify right side
    25,347.15x = 490,413,829.77
  5. Step 5: Solve for x
    x = 490,413,829.77/25,347.15
  6. Step 6: Final answer
    x = 19,347.89

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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.