Home / 38,303.04-57,455.28-12,007.20

Finding the Fourth Proportional to 38,303.04, 57,455.28 and 12,007.20

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Solution

The fourth proportional to 38,303.04, 57,455.28 and 12,007.20 is: 18,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.04 : 57,455.28 = 12,007.20 : x
  2. Step 2: Convert to fraction form
    38,303.04/57,455.28 = 12,007.20/x
  3. Step 3: Cross multiply
    38,303.04x = 57,455.28 × 12,007.20
  4. Step 4: Simplify right side
    38,303.04x = 689,877,038.02
  5. Step 5: Solve for x
    x = 689,877,038.02/38,303.04
  6. Step 6: Final answer
    x = 18,011.03

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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.