Home / 21,070.04-31,594.40-7,025.14

Finding the Fourth Proportional to 21,070.04, 31,594.40 and 7,025.14

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Solution

The fourth proportional to 21,070.04, 31,594.40 and 7,025.14 is: 10,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070.04 : 31,594.40 = 7,025.14 : x
  2. Step 2: Convert to fraction form
    21,070.04/31,594.40 = 7,025.14/x
  3. Step 3: Cross multiply
    21,070.04x = 31,594.40 × 7,025.14
  4. Step 4: Simplify right side
    21,070.04x = 221,955,113.93
  5. Step 5: Solve for x
    x = 221,955,113.93/21,070.04
  6. Step 6: Final answer
    x = 10,534.16

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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.