Home / 19,281.07-26,607.69-10,783.10

Finding the Fourth Proportional to 19,281.07, 26,607.69 and 10,783.10

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Solution

The fourth proportional to 19,281.07, 26,607.69 and 10,783.10 is: 14,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.07 : 26,607.69 = 10,783.10 : x
  2. Step 2: Convert to fraction form
    19,281.07/26,607.69 = 10,783.10/x
  3. Step 3: Cross multiply
    19,281.07x = 26,607.69 × 10,783.10
  4. Step 4: Simplify right side
    19,281.07x = 286,913,382.04
  5. Step 5: Solve for x
    x = 286,913,382.04/19,281.07
  6. Step 6: Final answer
    x = 14,880.57

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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.