Home / 25,347.60-34,988.40-14,740.56

Finding the Fourth Proportional to 25,347.60, 34,988.40 and 14,740.56

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Solution

The fourth proportional to 25,347.60, 34,988.40 and 14,740.56 is: 20,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.60 : 34,988.40 = 14,740.56 : x
  2. Step 2: Convert to fraction form
    25,347.60/34,988.40 = 14,740.56/x
  3. Step 3: Cross multiply
    25,347.60x = 34,988.40 × 14,740.56
  4. Step 4: Simplify right side
    25,347.60x = 515,748,609.50
  5. Step 5: Solve for x
    x = 515,748,609.50/25,347.60
  6. Step 6: Final answer
    x = 20,347.04

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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.