Home / 16,931.71-23,350.53-10,957.15

Finding the Fourth Proportional to 16,931.71, 23,350.53 and 10,957.15

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Solution

The fourth proportional to 16,931.71, 23,350.53 and 10,957.15 is: 15,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.71 : 23,350.53 = 10,957.15 : x
  2. Step 2: Convert to fraction form
    16,931.71/23,350.53 = 10,957.15/x
  3. Step 3: Cross multiply
    16,931.71x = 23,350.53 × 10,957.15
  4. Step 4: Simplify right side
    16,931.71x = 255,855,259.79
  5. Step 5: Solve for x
    x = 255,855,259.79/16,931.71
  6. Step 6: Final answer
    x = 15,111.01

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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.