Home / 22,931.04-31,650.48-13,983.48

Finding the Fourth Proportional to 22,931.04, 31,650.48 and 13,983.48

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Solution

The fourth proportional to 22,931.04, 31,650.48 and 13,983.48 is: 19,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.04 : 31,650.48 = 13,983.48 : x
  2. Step 2: Convert to fraction form
    22,931.04/31,650.48 = 13,983.48/x
  3. Step 3: Cross multiply
    22,931.04x = 31,650.48 × 13,983.48
  4. Step 4: Simplify right side
    22,931.04x = 442,583,854.07
  5. Step 5: Solve for x
    x = 442,583,854.07/22,931.04
  6. Step 6: Final answer
    x = 19,300.64

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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.