Home / 13,005.04-19,510.08-4,686.16

Finding the Fourth Proportional to 13,005.04, 19,510.08 and 4,686.16

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Solution

The fourth proportional to 13,005.04, 19,510.08 and 4,686.16 is: 7,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.04 : 19,510.08 = 4,686.16 : x
  2. Step 2: Convert to fraction form
    13,005.04/19,510.08 = 4,686.16/x
  3. Step 3: Cross multiply
    13,005.04x = 19,510.08 × 4,686.16
  4. Step 4: Simplify right side
    13,005.04x = 91,427,356.49
  5. Step 5: Solve for x
    x = 91,427,356.49/13,005.04
  6. Step 6: Final answer
    x = 7,030.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.