Home / 22,941.12-31,663.08-14,990.16

Finding the Fourth Proportional to 22,941.12, 31,663.08 and 14,990.16

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Solution

The fourth proportional to 22,941.12, 31,663.08 and 14,990.16 is: 20,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.12 : 31,663.08 = 14,990.16 : x
  2. Step 2: Convert to fraction form
    22,941.12/31,663.08 = 14,990.16/x
  3. Step 3: Cross multiply
    22,941.12x = 31,663.08 × 14,990.16
  4. Step 4: Simplify right side
    22,941.12x = 474,634,635.29
  5. Step 5: Solve for x
    x = 474,634,635.29/22,941.12
  6. Step 6: Final answer
    x = 20,689.25

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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.