Home / 25,148.74-34,706.01-13,970.50

Finding the Fourth Proportional to 25,148.74, 34,706.01 and 13,970.50

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Solution

The fourth proportional to 25,148.74, 34,706.01 and 13,970.50 is: 19,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.74 : 34,706.01 = 13,970.50 : x
  2. Step 2: Convert to fraction form
    25,148.74/34,706.01 = 13,970.50/x
  3. Step 3: Cross multiply
    25,148.74x = 34,706.01 × 13,970.50
  4. Step 4: Simplify right side
    25,148.74x = 484,860,312.71
  5. Step 5: Solve for x
    x = 484,860,312.71/25,148.74
  6. Step 6: Final answer
    x = 19,279.71

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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.