Home / 30,417.15-45,622.14-9,357.15

Finding the Fourth Proportional to 30,417.15, 45,622.14 and 9,357.15

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Solution

The fourth proportional to 30,417.15, 45,622.14 and 9,357.15 is: 14,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.15 : 45,622.14 = 9,357.15 : x
  2. Step 2: Convert to fraction form
    30,417.15/45,622.14 = 9,357.15/x
  3. Step 3: Cross multiply
    30,417.15x = 45,622.14 × 9,357.15
  4. Step 4: Simplify right side
    30,417.15x = 426,893,343.29
  5. Step 5: Solve for x
    x = 426,893,343.29/30,417.15
  6. Step 6: Final answer
    x = 14,034.62

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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.