Home / 13,330.02-18,373.86-10,132.68

Finding the Fourth Proportional to 13,330.02, 18,373.86 and 10,132.68

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Solution

The fourth proportional to 13,330.02, 18,373.86 and 10,132.68 is: 13,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.02 : 18,373.86 = 10,132.68 : x
  2. Step 2: Convert to fraction form
    13,330.02/18,373.86 = 10,132.68/x
  3. Step 3: Cross multiply
    13,330.02x = 18,373.86 × 10,132.68
  4. Step 4: Simplify right side
    13,330.02x = 186,176,443.74
  5. Step 5: Solve for x
    x = 186,176,443.74/13,330.02
  6. Step 6: Final answer
    x = 13,966.70

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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.