Home / 21,133.34-31,700.31-10,041.16

Finding the Fourth Proportional to 21,133.34, 31,700.31 and 10,041.16

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Solution

The fourth proportional to 21,133.34, 31,700.31 and 10,041.16 is: 15,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133.34 : 31,700.31 = 10,041.16 : x
  2. Step 2: Convert to fraction form
    21,133.34/31,700.31 = 10,041.16/x
  3. Step 3: Cross multiply
    21,133.34x = 31,700.31 × 10,041.16
  4. Step 4: Simplify right side
    21,133.34x = 318,307,834.55
  5. Step 5: Solve for x
    x = 318,307,834.55/21,133.34
  6. Step 6: Final answer
    x = 15,061.88

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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.